Top 9 Knex Building Sets – Toy Building Sets

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1. K'NEX

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

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K'NEX #ad - This building set allows them to make interactive toys and figures like trucks, wings, helicopters, and auto parts such as wheels, airplanes, rotors, and bridges isn’t just a dream when you have this building set!. Watch your kids’ imaginations grow through the sheer amount of models they can make with the K’NEX 35 Model Building Set.

Store all those precious pieces in this handy treasure chest that kids will always love to open. Real moving parts – unlike other building toys, and tracks. Classic pieces – this building set comes with 480 classic k’nex parts and pieces. The snap-fit pieces stick together securely and can be easily reassembled into other creations. 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. Packaging may vary. 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.

Constructing your own buildings, amusement park rides, K’NEX lets builders create different models that actually move. This toy is ideal for kids ages 7 and above, allowing them to create anything that their minds can come up with. 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.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height8.75 Inches
Length12.38 Inches
Weight0.66 Pounds
Width11.25 Inches
Part Number12418
Model12418
WarrantyLifetime warranty against manufacturer's defects

2. K'NEX

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

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K'NEX #ad - 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. 35 different models – the included instruction booklet shows builders how to create 35 unique models with its step-by-step, color-coded instructions. Convenient storage – storing small plastic toy parts is easy with this plastic storage tub. Keep everything together, including loose parts and partially built models. This toy is ideal for kids aged 7+ and up.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height7.63 Inches
Length13.75 Inches
Weight2.34 Pounds
Width8.75 Inches
Part Number18024 / 18025
Model18024 / 18025
WarrantyLifetime warranty against manufacturer's defects

3. K'NEX

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

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K'NEX #ad - Set can be used to build two alternate models: Swing Ride and Boom Ride. Build a classic motorized K'NEX Ferris Wheel. Recommended for ages 9+. Includes 744 durable, colorful plastic classic K'NEX pieces. Battery powered motor included.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height14 Inches
Length18.5 Inches
Weight3 Pounds
Width3 Inches
Part Number17035
Model17035
Warranty30 day warranty against manufacturer defects

4. K'NEX

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

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K'NEX #ad - Easy build parts: new parts designed specifically for 5 year old builders allows them to build on a flat, 2D surface, then sandwich The flat builds together into a 3D creation! This beginner building set includes 141 parts, including K'NEX rods and connectors which are manufactured in a zero-waste, landfill-free facility in Pennsylvania.

Build & rebuild: instructions and ideas for 40 different models are included, an airplane, like a car, a rowboat, a skyscraper, and so much more!. 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.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height8 Inches
Length12 Inches
Weight0.68 Pounds
Width3.5 Inches
Part Number15210
Model15210
WarrantyLifetime Warranty Against Manufacturer'S Defects

5. K'NEX Education

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

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K'NEX Education #ad - Students will learn about the relationships between time, and more! Promotes teamwork – this educational engineering set is more fun when constructed with friends. This experiment guide aligns with the national STEM standards and is designed for grades 5‒9. Building with k’nex puts children on a path towards a fundamental understanding of STEAM/STEM subjects.

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. The set requires two AA batteries, which are not included. 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. Two additional models are also included in this set — a ramp and a half-pipe — which can be built one at a time. 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. Experiment guide – once a ride is built, speed, distance, an activity booklet guides learners through three hands-on, inquiry-based experiments. Offers hands-on learning – k’nex education models offer proactive opportunities for introducing children to scientific inquiry, investigation, investigate, discuss, and experimentation.
BrandK'NEX Education #ad
ManufacturerK'NEX #ad
Height2.25 Inches
Length12.5 Inches
Weight0.91 Kilograms
Width12.25 Inches
Part Number77078
Model77078
Warranty90 day warranty against manufacturer defects

6. K'NEX

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

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K'NEX #ad - 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. Building with k’nex puts children on a path towards a fundamental understanding of STEAM/STEM subjects. These rods and connectors all attach to one another in different ways, figures, allowing kids to create a multitude of shapes, and models with ease.

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. Developmental benefits – k’nex supports key areas of a child’s developmental growth. Commitment to quality – k’nex rods and connectors are responsibly made in america at a landfill-free, Pennsylvania. Packaging may vary. As they click the different parts together and discover how the building system works, spatial awareness, fine motor skills, they’re strengthening hand-eye coordination, problem-solving skills, and exercising their imagination!.

Versatile – the included instruction booklet shows builders how to create 70 unique models with its step-by-step instructions. Making rolling cars, or a transforming animal isn’t just a dream when you have this building set! Foster imagination and creativity with the sheer amount of models to be made with the K’NEX 70 Model Building Set. Steamagination – it’s the connection of steam science, arts, technology, engineering, & math with a child’s natural curiosity and creativity and it powers the fun of each and every K’NEX building set.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height10.5 Inches
Length16 Inches
Weight0.66 Pounds
Width7.75 Inches
Part Number13419
Model13419
WarrantyLifetime warranty against manufacturer's defects

7. K'NEX

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K'NEX 100 Model Imagine Building Set Amazon Exclusive

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K'NEX #ad - Convenient storage – with over 860 pieces, k’nex presents the 100 model building set in a hassle-free portable suitcase storage box. This toy is ideal for boys and girls aged 7+ and up, ambulance, or even the Eiffel Tower! The snap fit pieces stick together securely and can be easily reassembled into other creations. You don’t need to worry about where to store small plastic toy parts or getting them lost.

Real moving parts – unlike other building toys, wings, k’nex allows kids to create unique models that actually move. See your youngsters build a blimp, which shows builders how to create 100 unique models with its helpful illustrations. Foster your kids’ imagination and creativity with K’NEX. These pieces can be attached to one another in different ways. As they click the different parts together and discover how the building system works, they’re strengthening hand-eye coordination, fine motor skills, spatial awareness, problem-solving skills, and exercising their imagination!.

Steamagination – it’s the connection of steam science, engineering, technology, arts & math with a child’s natural curiosity and creativity and it powers the fun of each and every K’NEX building set. Developmental benefits – k’nex supports key areas of a child’s developmental growth. It allows your children to create a multitude of shapes, figures, and structures with ease. 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.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height14 Inches
Length18.5 Inches
Weight5.2 Pounds
Width4 Inches
Part Number12605
Model12605
WarrantyLifetime warranty against manufacturer's defects

8. K'NEX

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

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K'NEX #ad - 529 assorted pieces – the k’nex power and play motorized building set contains 529 parts, including different sizes of connectors, rods, and wheels. We test to the strictest quality and safety standards, ensuring that your child has a successful, zero-waste green manufacturing facility in Hatfield, trouble-free building experience.

Commitment to quality– k’nex rods and connectors are responsibly made in america at a landfill-free, Pennsylvania. Developmental benefits – k’nex supports key areas of a child’s developmental growth. It comes with easy-to-follow instructions that will teach your child to create models such as racecars and aircraft. Motor included – the k’nex power and play motorized building set is the only set on the market that includes a motor. Watch your child’s creations come to life when you attach the battery-powered motor to them! 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.

These can be clicked together easily for a myriad of 3D configurations. 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. Step-by-step guide – let your little one’s creative juices flow with this Power and Play Building Set. Building with k’nex puts children on a path towards a fundamental understanding of STEAM/STEM subjects.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height14 Inches
Length18.5 Inches
Weight3 Pounds
Width4 Inches
Part Number23012
Model23012
WarrantyLifetime warranty against manufacturer's defects

9. K'NEX

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K’NEX Architecture, 2122 Pieces – Over 2 Feet High – Amazon Exclusive, Empire State Building – New Building Set for Adults & Kids 9+

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K'NEX #ad - Appropriate for ages 9 years and up. Build it: build an authentic replica of the empire state building that stands over 2 feet high! includes 2122 pieces: featuring k'nex rods and connectors easily snap together with a satisfying "click" - think outside the blocks! Instructions included: easy-to-follow, step-by-step building instructions means you'll be an expert architect in no time! 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.
BrandK'NEX #ad
ManufacturerK'NEX #ad
Height28 Inches
Length5 Inches
Width9.25 Inches
Part Number15259
Model15259