10 Best k Nex Sets Will Bring Out Your Inner Child

K’NEX building sets have always been capable of providing all the pieces to create an impressive and colorful creation. But that is not the only attribute that the makers of these fabulous sets come up with. Being right on target with the young minds of our youth by including a little something special has helped lead K’NEX sets to higher levels of popularity.

For example, a great addition to their K’NEX Town line (KST) is the School Bus set which comes with two road barriers, three school buses, and two people figures to complete what would be any child’s dream school bus. Of course, you know where I am going with this—the fact that children actually get to build one on their own makes it even more desirable in their eyes.

Here are the best k nex sets on the market.

Editor’s Pick-k Nex Sets

# Preview Product Score
1 K’NEX – 35 Model Building Set – 480 Pieces – For Ages 7+ Construction Education Toy (Amazon Exclusive)

K’NEX – 35 Model Building Set – 480 Pieces – For Ages 7+ Construction Education Toy (Amazon...

9.4
2 K'nex Beginner 40 Model Building Set - 141 Parts - Ages 5 & Up - Creative Building Toy, Multi

K'nex Beginner 40 Model Building Set - 141 Parts - Ages 5 & Up - Creative Building Toy, Multi

9.5
3 K'NEX 100 Model Imagine Building Set (Amazon Exclusive)

K'NEX 100 Model Imagine Building Set (Amazon Exclusive)

9.3
4 K'NEX 70 Model Building Set - 705 Pieces - Ages 7+ Engineering Education Toy (Amazon Exclusive)

K'NEX 70 Model Building Set - 705 Pieces - Ages 7+ Engineering Education Toy (Amazon Exclusive)

9.5
5 K'NEX Imagine Power and Play Motorized Building Set 529 Pieces Ages 7 and Up Construction Educational Toy

K'NEX Imagine Power and Play Motorized Building Set 529 Pieces Ages 7 and Up Construction...

9.6

Best k Nex Sets In 2022

1. K’NEX – 35 Model Building Set

K’NEX – 35 Model Building Set – 480 Pieces – For Ages 7+ Construction Education Toy (Amazon Exclusive)

  • CLASSIC PIECES – This building set comes with 480 classic K’NEX parts and pieces. It includes rods and connectors that are attached to one another in different ways, allowing kids to unleash their creativity and skills in designing a variety of shapes, figures, and models. The snap-fit pieces stick together securely and can be easily reassembled into other creations.
  • VERSATILE – K’NEX 35 Model Building Set includes an instruction booklet that shows builders how to create 35 unique models with its step-by-step guidelines. This toy is ideal for kids ages 7 and above, allowing them to create anything that their minds can come up with. Watch your kids’ imaginations grow through the sheer amount of models they can make with the K’NEX 35 Model Building Set.
  • CONVENIENT STORAGE – It can be a problem to store small plastic toy parts into one place, and the last thing you want is them getting lost! Keep all the K’NEX parts in one place that is easy to access. Store all those precious pieces in this handy treasure chest that kids will always love to open. Packaging may vary.
  • REAL MOVING PARTS – Unlike other building toys, K’NEX lets builders create different models that actually move. This building set allows them to make interactive toys and figures like trucks, airplanes, helicopters, and auto parts such as wheels, wings, rotors, and tracks. Constructing your own buildings, amusement park rides, and bridges isn’t just a dream when you have this building set!

The K’NEX Build ‘n Learn Builder’s Pack is essentially the perfect starter pack for novices to begin their journey into model-building blocks. It will provide them with 480 pieces of K’NEX rods and connectors that are designed to snap together, making them a lot easier to build and rebuild into countless different creations. Plus, this set allows kids to develop their motor skills and dexterity while they play, which isn’t something you would expect from a toy meant for mere entertainment.

Classic And Micro-sized

Fuel your children’s imaginations and unleash their creativity with K’NEX 35 Model Building SetThe set comes with 480 K’NEX parts and pieces in a mix of classic and micro-sized parts It includes rods and connectors that attach to one another in different ways, allowing kids to hone their artistic skills by coming up with a variety of shapes, figures, and models. The snap-fit pieces stick together securely and can be easily reassembled into other creations.

Builders Create Different Models

K’NEX lets builders create different models that actually move. This building set allows them to make interactive toys and models like trucks, airplanes, helicopters, and auto parts such as wheels, wings, rotors, and tracks. Constructing your own buildings, amusement park rides, and bridges isn’t just a dream when you have this building set!

Natural Curiosity And Creativity

Furthermore, this set improves kids’ STEAM (science, technology, engineering, arts, and math) capabilities by inspiring their natural curiosity and creativity, which powers the fun of each and every K’NEX building set. K’NEX supports key areas of children’s development. As they click the parts together and discover how the building system works, they strengthen their hand-eye coordination, fine motor skills, problem-solving skills, and spatial awareness!

Small Plastic Toy Parts

It can be a problem to store small plastic toy parts in one place, and the last thing you want is them getting lost! Keep all the K’NEX parts in one place that is easy to access. Store all those precious pieces in this handy treasure chest that kids will always love to open.

Instruction Booklet

K’NEX 35 Model Building Set includes an instruction booklet that shows builders how to create 35 unique models with its step-by-step guidelines. This toy is ideal for kids ages 7 and up, allowing them to make anything their minds can come up with. Enhance your children’s imaginations with the sheer amount of models they can create with the K’NEX 35 Model Building Set.

2. K’NEX 70 Model Building Set – 705 Pieces

K'NEX 70 Model Building Set - 705 Pieces - Ages 7+ Engineering Education Toy (Amazon Exclusive)

  • DEVELOPMENTAL BENEFITS – K’NEX supports key areas of a child’s developmental growth. As they click the different parts together and discover how the building system works, they’re strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness, and exercising their imagination!
  • PARTS GUARANTEE – Broken part? Missing part? If you find yourself in need of a replacement for any reason, just give us a call! We’ll get you what you need so that your child can get back to building as soon as possible.
  • VERSATILE – The included instruction booklet shows builders how to create 70 unique models with its step-by-step instructions. This toy is ideal for boys and girls aged 7+ and up, as they can make anything that their minds can come up with. Foster imagination and creativity with the sheer amount of models to be made with the K’NEX 70 Model Building Set.
  • VERSATILE – The included instruction booklet shows builders how to create 70 unique models with its step-by-step instructions. This toy is ideal for boys and girls aged 7+ and up, as they can make anything that their minds can come up with. Foster imagination and creativity with the sheer amount of models to be made with the K’NEX 70 Model Building Set.
  • DEVELOPMENTAL BENEFITS – K’NEX supports key areas of a child’s developmental growth. As they click the different parts together and discover how the building system works, they’re strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness, and exercising their imagination!

Parents who purchase this set for young children will be most pleased. They might not realize that K’NEX sets have a lot of educational value to them, but as children grow older, they will appreciate this hobby even more. Kids are discovering STEM concepts, such as motors and structures, at younger ages today than ever before. STEM education is imperative if our country wants to stay ahead in the technological realm, and K’NEX is a fun way to introduce those subjects at home.

Fly, Drive, or Ride!

This Ultimate Building Set has all the pieces to build anything you can imagine! From planes to trucks, animals, and amusement rides the possibilities are endless. The step-by-step building instructions give creators ages 7+ ideas about what they can construct.

Classic Building Experience

This set contains all full-scale (or ‘classic’) K’NEX pieces – the same kind that inventor Joel Glickman came up with as he was fiddling with straws at a wedding reception almost 25 years ago! All K’NEX parts and pieces are guaranteed for a lifetime of fun – we want to be around for amazing building experiences with your kids and theirs!

3. K’NEX Imagine Power and Play Motorized Building Set

K'NEX Imagine Power and Play Motorized Building Set 529 Pieces Ages 7 and Up Construction Educational Toy

  • COMMITMENT TO QUALITY– K’NEX rods and connectors are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania.  We test to the strictest quality and safety standards, ensuring that your child has a successful, trouble-free building experience.
  • DEVELOPMENTAL BENEFITS – K’NEX supports key areas of a child’s developmental growth.  As they click the different parts together and discover how the building system works, they’re strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness and exercising their imagination!
  • STEAMagination – It’s the connection of STEAM (science, technology, engineering, arts & math) with a child’s natural curiosity and creativity and it powers the fun of each and every K’NEX building set.  Building with K’NEX puts children on a path towards a fundamental understanding of STEAM/STEM subjects.
  • STEP-BY-STEP GUIDE – Let your little one’s creative juices flow with this Power and Play Building Set. It comes with easy-to-follow instructions that will teach your child to create models such as racecars and aircraft.
  • SUITCASE STYLE PACKAGING – Fuel your child’s curiosity and let him look for inspiration everywhere by bringing this building set along on family trips! The handy, reusable box allows hassle-free carrying of this educational toy.

The K’NEX Imagine Motorized Building Set is a great way to get the kids outside and enjoy time with friends. Optimum performance is achieved during a full day of outdoor use, but even an afternoon will do wonders to burn off some extra energy. What’s more, it comes with everything you need in order to start building immediately. There aren’t any other additional costs, other than providing batteries for the motor and contributing to a healthier, more outdoorsy lifestyle for your child.

Build, rebuild, power up

Set inspires kids to take on 1 of 50 building challenges and then power up into action.

Motorized movement in the box

A battery-powered motor gives life to connected pieces. The motor is integrated into 25 of the building ideas.

Colorful rods and connectors with storage

Includes 529 color-coded rods and connectors, spinning wheels, bendable Flexi-rods, and a portable storage case.

Flying High Movers

Build and add power to a mighty bi-plane, helicopter, or seaplane.

Rad Ride Movers

Add motion to rad rides like an ATV, quad, or racing truck.

Spinning Movers

Create a spinning Ferris wheel, power drill, breezy fan, or twirling carousel.

Animal Movers

Power up active creatures like a long-neck giraffe, mudfish, or busy ant.

4. K’NEX Thrill Rides – 3-in-1 Classic Amusement Park Building Set

Sale

K'NEX Thrill Rides - 3-in-1 Classic Amusement Park Building Set, Multicolor

  • Set can be used to build two alternate models: Swing Ride and Boom Ride
  • Battery powered motor included
  • Build a classic motorized K'NEX Ferris Wheel
  • Recommended for ages 9+
  • Includes 744 durable, colorful plastic classic K'NEX pieces

The K’NEX 3-in-1 Thrill Rides Building Set is compatible with K’NEX Unstoppable City Dump Truck, Catapult Launcher, and Ferris Wheel building sets (sold separately) for even more thrills! Master builders can construct 3 unique amusement park rides. Includes 744 durable, colorful plastic classic K’NEX pieces. Ages 8 to 14.

Build and rebuild up to 32″ tall!

Spark hours of creative play as your child constructs

Rides with motion, spins, and more

A battery-powered motor gives life to connected pieces.

Rods and connectors snap together

Includes 744 color-coded rods and connectors that

Spinning Ferris Wheel

Build a sky-high Ferris wheel with 8 passenger cars and slower speed to enjoy the view.

Twirling Boom Ride

Snap together a heart-pounding boom ride with faster speed and epic up and down motion.

Spinning Swing Ride

Create a fast-moving swing ride with suspended chairs ready to swing into action.

5. K’NEX Imagine – Click & Construct Value Building Set

K'NEX Imagine - Click & Construct Value Building Set - 522Piece - 35 Models - Engineering Educational Toy Building Set

  • Convenient storage – storing small plastic toy parts is easy with this plastic storage tub.  keep everything together, including loose parts and partially built models
  • 35 different models – the included instruction booklet shows builders how to create 35 unique models with its step-by-step, color-coded instructions. This toy is ideal for kids aged 7+ and up
  • 522 ASSORTED PIECES – This set comes with 522 classic and micro K'NEX parts and pieces that "click" together, allowing kids to create anything they can imagine

K’NEX Imagine has earned its spot as the best K’NEX set on the market because it lets kids construct something that they can use after constructing. It challenges kids to expand their creativity as they build, while at the same time teaching them the fundamentals of mechanical and electrical engineering. If that’s not a great set, I don’t know what is.

Reusable Classic K’NEX Tub

This classic style K’NEX tub is great for holding all your K’NEX parts and pieces! Also, halfway through a build and need a break? This tub doubles as storage for your smaller partially complete projects.

522 K’NEX pieces, 35 Models

You can build 35 different K’NEX models, most one at a time with this set, with the 522 K’NEX parts and pieces.

Great for Builders of All Levels

Building ideas for builders of all levels. One-dimensional builds are great for younger or new builders; while three-dimensional builds are great for older or more experienced builders. But, remember, our step-by-step, color-coded building instructions are easy for any and all builders!

6. K’NEX 100 Model Imagine Building Set

K'NEX 100 Model Imagine Building Set (Amazon Exclusive)

  • COMMITMENT TO QUALITY – K’NEX rods and connectors are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania. We test to the strictest quality and safety standards, ensuring that your child has a successful, trouble-free building experience.
  • COMMITMENT TO QUALITY – K’NEX rods and connectors are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania. We test to the strictest quality and safety standards, ensuring that your child has a successful, trouble-free building experience.
  • Packaging may vary.
  • REAL MOVING PARTS – Unlike other building toys, K’NEX allows kids to create unique models that actually move. Kids can make interactive toys using K’NEX parts whether its wheels, rotors, wings, and tracks. Making rolling cars, working amusement park rides or a transforming animal isn’t just a dream when you have this 100 Model Building Set!
  • DEVELOPMENTAL BENEFITS – K’NEX supports key areas of a child’s developmental growth. As they click the different parts together and discover how the building system works, they’re strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness, and exercising their imagination!

The ability to create and build makes this a favorite among children. Using K’NEX pieces, children can build anything they have in mind without a specific purpose. With a little imagination, your child will be able to build their own fun toy or design another contraption they use to transport an object from one place to another.

K’NEX Building System

K’NEX’s unique rod & connector building system inspires young builders to make anything they can imagine!

The most building ideas Ever offered in a K’NEX set!

Includes 860+ K’NEX parts to build more models than you’ve ever dreamed of! Use the easy-to-follow, color-coded building instructions to create models as diverse as a guitar, blimp, T-rex, or ambulance. ..even the Eiffel Tower! Or use the parts to design your own models! With K’NEX, the only limit is your imagination. Perfect for builders ages 7+.

7. KID K’NEX – Build A Bunch Set

KID K’NEX – Build A Bunch Set – 66 Pieces – For Ages 3+ Construction  Educational Toy (Amazon Exclusive), packaging may vary

  • STEAMagination: It’s the connection of STEAM (science, technology, engineering, arts & math) with a preschooler’s natural curiosity and creativity and it powers the fun of each and every KID K’NEX building set. Building with KID K’NEX puts preschoolers on a path towards a fundamental understanding of STEAM/STEM subjects.
  • DEVELOPMENTAL BENEFITS: KID K’NEX supports key areas of a preschooler’s developmental growth. As they click the different parts together and discover how the building system works, they’re strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness and exercising their imagination!
  • 66 CHUNKY PIECES –Create fun and friendly creatures with the KID K’NEX Build a Bunch Set. It contains 66 soft, colorful, and chunky rods and connectors that easily stack, snap, and plug together. Plus, fun and unique parts such as wheels, eyes, and tails will bring your child’s creations to life. This set includes chunky multicolored pieces that are perfect for young minds and little hands.
  • PARTS GUARANTEE: Broken part? Missing part? If you find yourself in need of a replacement for any reason, just give us a call! We’ll get you what you need so that your child can get back to building as soon as possible.
  • COMMITMENT TO QUALITY: KID K’NEX rods and connectors are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania. We test to the strictest quality and safety standards, ensuring that your child has a successful, trouble-free building experience.

The KID K’NEX Build-A-Bunch Dinosaur is recommended for children ages 9 and up, but it is probably best suited for children ages 6 and over. The product offers kids the chance to learn about putting together a structure based on their own imagination rather than following a pattern. They can build several different dinosaurs or create original creations but they have to put forth some effort and creativity as well.

Connecting Rods Properly

There are some limitations since parts tend to fall off and are hard to place on the connecting rods properly. The pieces are still chunky so it may be difficult for smaller hands to fit inside of them but they are not hard to connect together. Trying these toys will give your child an excellent introduction to K’NEX products that are available in stores today.

Bringing The Building Toys

A set with maximum fun and learning, this is one to get. KID K’NEX allows little kids to work on their problem-solving skills while playing around with building structures. And by bringing the building toys out of the physical world into a digital one, you could say that KID K’NEX is being educational as well. The best part for many parents is that it grows with your child over time.

8. K’NEX Education ‒ STEM Explorations: Roller Coaster Building Set

K'NEX Education ‒ STEM Explorations: Roller Coaster Building Set – 546 Pieces – Ages 8+ Construction Education Toy

  • STEAMagination: It’s the connection of STEAM (science, technology, engineering, arts & math) with a child’s natural curiosity and creativity and it powers the fun of each and every K’NEX building set. Building with K’NEX puts children on a path towards a fundamental understanding of STEAM/STEM subjects.
  • OFFERS HANDS-ON LEARNING – K’NEX Education models offer proactive opportunities for introducing children to scientific inquiry, investigation, and experimentation. Inquiry-based lessons challenge young learners as they build, investigate, problem-solve, discuss, and evaluate scientific and design principles in action.
  • REAL WORLD LEARNING: Study after study reveals that students have more success learning STEM subjects through activities related to the real world rather than reading about abstract concepts in textbooks. K’NEX Education sets allow students to build replicas of real-world machines and contraptions and through the lesson plans and experiments, gain a concrete understanding of the principles that make them work.
  • PROMOTES TEAMWORK – This educational engineering set is more fun when constructed with friends. One to three kids can put their heads together and figure out the structure, exchanging ideas as they tinker with the bits and parts, and solving the model faster through teamwork. They’ll build camaraderie and develop social skills as they play.
  • ALIGNED TO NATIONAL STANDARDS: K’NEX Education teacher guides and experiment guides are aligned to national educational standards, including ITEEA, NSES, NCTM, NGSS and Common Core.

Science and technology are not just a fun way to pass time, it’s also a great way to improve teamwork, problem-solving skills, communication skills, and more. This K’NEX Education set is an excellent example of how far STEM education has come in the last few years. The increased complexity and potential for teamwork are sure to make this highly sought-after product. Teachers will love the value that this provides for their classroom.

Building a roller coaster and observing the operation of the ride is an excellent way to get children actively involved in and excited about science. The K’NEX Education Roller Coaster Building Set has so many possibilities to get kids thinking about, investigating, and discussing gravity, velocity, and kinetic energy. The teacher manual (Fold-Out Teacher Guide Pack) provides an excellent discussion and activity guide that gets kids actively involved in learning while having fun along the way.

Lead Model: Roller Coaster

K’NEXperiment #1: Making it Through the Roller Coaster Loop. Your objective is to determine the relationship between the mass of an object and the height above the ground at which it must be released in order to pass through the loop.

Additional Model: Ramp

K’NEXperiment #2: Speed, Distance, and Time Using the Ramp Model. Your objective is to learn about speed using distance and time.

Additional Model: Half Pipe

K’NEXperiment #3: Moving More with Height Using a Half Pipe. Your objective is to explore the concept of relationships between variables. How many times will the car pass through the center of the half-pipe depending on how high it is released?

9. K’NEX Education – STEM Explorations: Swing Ride Building Set

K'NEX Education - STEM Explorations: Swing Ride Building Set

  • EXPERIMENT GUIDE – The three included experiments contain complete details on conducting the hands-on, inquiry-based engineering projects based around the models and include information about the different parts and pieces. Parents can assist their children in the beginning until kids get the hang of it.
  • ALIGNED TO NATIONAL STANDARDS: K’NEX Education teacher guides and experiment guides are aligned to national educational standards, including ITEEA, NSES, NCTM, NGSS and Common Core.
  • STEP-BY-STEP INSTRUCTIONS – Kids can create a fully functional swing ride with this construction set. The package comes with a battery-powered motor that works on two AA batteries, bringing kids’ ideas to life. Aside from the swing, they can also build two other amusement park ride models with this toy set — a boom ride and a Ferris wheel. Let middle-school students learn as they have fun with this K’NEX Education building set.
  • PROMOTES TEAMWORK – Specially designed for children ages 8 and up, this engineering set is more fun when constructed with friends. Students in grades 5‒9 can create the models alone or with two other classmates. Through teamwork, students will learn how mass affects speed, how to gear up and gear down, and much more! The set promotes camaraderie and the development of social skills, too.
  • LESSON PLANS AND EXPERIMENTS: All K’NEX Education sets come with either a comprehensive guide for teachers or an experiment guide for student-led learning. All lesson plans and experiment guides are written by expert educators and feature hands-on, inquiry-based projects that engage students in today’s busy classroom.

The K’NEX Education Swing Ride Building Set is a great option for parents of middle school or high school-aged children who want to encourage their youngsters to become interested in science and engineering. They will get to work with an assortment of bright-colored parts, learning how these pieces all work together.

The buildable working model allows children to actually see the different parts in action and help them gain a better understanding of how these pieces all interact. Ultimately, this is an excellent choice for kids who want to get involved in STEM learning and develop a greater interest in science, technology, and engineering.

Lead Model: Swing Ride

K’NEXperiment #1: Slowing Down the Swing Ride. Your objective is to make and test predictions about how mass affects the speed of the ride. Do you think more mass will make the ride spin slower?

Additional Model: Ferris Wheel

K’NEXperiment #2: Hanging Above the Ground in a Ferris Wheel. Your objective is to determine if there is any pattern that might be used to demonstrate the changing height of a rider as the ride turns through several rotations.

Additional Model: Boom Ride

K’NEXperiment #3: Turn the Crank of the Boom Ride. Your objective is to investigate how different gear arrangements affect the distance the ride travels.

10. K’nex Intermediate 60 Model Building Set

K'nex Intermediate 60 Model Building Set - 395 Parts - Ages 7 & Up - Creative Building Toy, Multicolor

  • Stem learning fun: building with K'NEX helps strengthen fine motor skills, manual dexterity, and spatial awareness; putting them on a path towards a greater understanding of STEM subjects.
  • K'nex rods and connectors are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania.
  • 60 models included: take on a epic building challenge and see If you can build them all! From a Hammerhead shark to a battleship to a Saxophone, there's a model to satisfy whatever building mood you're in!
  • Broken part? Missing part? If you find yourself in need of a replacement for any reason, just give us a call!
  • 395 parts: featuring an all new color pallet! K'nex rods and connectors easily snap together with a satisfying "click" - think outside the blocks!

This K’NEX set is definitely a worthwhile purchase. It’s great for improving hand-eye coordination (and building patience), and it’s great for strengthening your problem-solving skills. I want to give a special shout-out to the motorized helicopter and motorcycle – both of which can be reconfigured with new body parts thanks to the interchangeable pieces.

Build, rebuild, Create Them All

Set inspires kids to take on 1 of 60 building challenges then level up and build them all!

Variety of Favorite Themes

From mighty machines, epic rides, cool creatures, and more, there is a K’nex idea to kick start every builder.

Colorful Rods and Connectors with Storage

Includes 395 color-coded rods and connectors, spinning wheels, bendable Flexi-rods, and a portable storage case.

Mighty Machines

Build mighty machines like a battleship, forklift, and cement mixer.

Conclusion

K’nex set is really the best gift for builders and constructors who love to build stuff on their own and explore the world of possibilities. We have among us those who are aspiring K’nex masters and those who are just getting started, but at one point in their life, they must have played with a K’nex set. So, whether it’s for yourself or you’re looking for gift ideas for kids- and teens, we have got the list sorted for you!

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