13 Best Toy Building Sets

List Updated January 2020

Bestselling Toy Building Sets in 2020


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

K'NEX 70 Model Building Set - 705 Pieces - Ages 7+ Engineering Education Toy
BESTSELLER NO. 1 in 2020
  • CLASSIC PIECES - This set comes with 705 classic K'NEX parts and pieces. These rods and connectors all attach to one another in different ways, allowing kids to create a multitude of shapes, figures, and models with ease. The snap fit pieces stick together securely and can be easily reassembled into other creations
  • 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 it's 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 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.
  • 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.
  • 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.
  • 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!
  • 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.
  • 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.

ZOOB BuilderZ 250 Piece Kit

ZOOB BuilderZ 250 Piece Kit
BESTSELLER NO. 2 in 2020
  • 250 colorful ZOOB Pieces, expandable and compatible with all other ZOOB sets
  • Create the ZOOBasuraus or a ZOOBcycle
  • Represents STEM (Science, Technology, Engineering, and Math) principles, open ended toys to construct, engineer, explorer and experiment
  • Includes 250 ZOOB Pieces in a durable plastic storage tub and 6 instruction guides
  • Recommended for children 6 years of age and older

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 Exclusive)
BESTSELLER NO. 3 in 2020

TINKERTOY 30 Model Super Building Set – 200 Pieces – For Ages 3+ Preschool Educational Toy (Amazon Exclusive)

TINKERTOY 30 Model Super Building Set – 200 Pieces – For Ages 3+ Preschool Educational Toy (Amazon Exclusive)
BESTSELLER NO. 4 in 2020

VIAHART Brain Flakes 500 Piece Interlocking Plastic Disc Set | A Creative and Educational Alternative to Building Blocks | Tested for Children's Safety | A Great STEM Toy for Both Boys and Girls!

VIAHART Brain Flakes 500 Piece Interlocking Plastic Disc Set | A Creative and Educational Alternative to Building Blocks | Tested for Children's Safety | A Great STEM Toy for Both Boys and Girls!
BESTSELLER NO. 5 in 2020
  • Every Jar Has More Than 500 (!) Pieces and Includes an Idea Booklet with Instructions to Build a Brain Flakes Ball! | Discs Click Together Easily For Ages 5+ (Some children as young as 3 years have no problem) | Discs measure 1.3 Inches (3.3cm) across
  • Child Safe | Tested for compliance with ASTM F963-11 US CPSIA Regulations | Brain Flakes discs are BPA, lead, heavy metal, and phthalate free
  • Both Boys and Girls Love Brain Flakes Disks! | Teaches Spatial Thinking | Engineers Start Here! Give Your Child The Skills Today! | Hours of Play and Tons of Awesome Creations!
  • SIZE AND WEIGHT | Product Measures 5 x 5 x 8 in inches | 12.7 x 12.7 x 20.4 in centimeters | Product Weighs Approximately 1.9 lbs / 0.9 kgs | These dimensions and weight do not include the packaging | Watch our video to learn more about this product: youtube.com/watch?v=CHJojV43pzk
  • 30 day no questions asked return policy and FREE returns!

EverEarth Toddler Workbench with Tools. Wooden Building Set Hammer Toy

EverEarth Toddler Workbench with Tools. Wooden Building Set Hammer Toy
BESTSELLER NO. 6 in 2020
  • 5 TOOLS & BENCH - This toddler workbench and tool set includes: toy hammer, wrench, flat head screw driver, pretend saw, and working bench vice
  • YOU ALSO GET - Wooden nails for hammering, screws, nuts and bolts, boards with holes, and a workbench top with threaded holes for screwing
  • KID-SAFE - Kids tools are designed for safe pretend play. Smoothly-finished and stained with non-toxic, BPH-free, water-based paint
  • ECO-FRIENDLY WOOD - Sustainably harvested and environmentally friendly toddler wooden workbench and tools
  • COMPACT DESIGN - Designed for play while sitting, kneeling or on a table top. Fun, yet small in size so it can tuck away on a shelf. Perfect for crowded playrooms and apartments

Melissa & Doug Wooden Construction Building Set in a Box (48 pcs)

Melissa & Doug Wooden Construction Building Set in a Box (48 pcs)
BESTSELLER NO. 7 in 2020
  • 48-piece wooden building set
  • Includes 12 bolts, 8 nuts, 16 building boards, 6 blocks, screwdriver, and storage box.
  • Storage box is predrilled so it can become part of a structure too!
  • Illustrated building guides show how to create a crane, motorcycle, airplane, and race car.
  • Promotes counting, sorting, and fine motor skills; encourages problem solving and constructive play.

MANVE Magnetic Blocks Building Toys Set, Magnetic Tiles, Educational Toys for Baby/Kids? 87Pcs DELUXE SET?

MANVE Magnetic Blocks Building Toys Set, Magnetic Tiles, Educational Toys for Baby/Kids? 87Pcs DELUXE SET?
BESTSELLER NO. 8 in 2020

FUNTOK Marble Run Toy, Marble Race Coaster Set Marble Run Railway Toys Construction Building Blocks Toys Set Gift For Kids Toddler 105pcs

FUNTOK Marble Run Toy, Marble Race Coaster Set Marble Run Railway Toys Construction Building Blocks Toys Set Gift For Kids Toddler 105pcs
BESTSELLER NO. 9 in 2020

Krazy Gears Gear Building Toy Set - Interlocking Learning Blocks - Motorized Spinning Gears - 81 Piece Playground Edition

Krazy Gears Gear Building Toy Set - Interlocking Learning Blocks - Motorized Spinning Gears - 81 Piece Playground Edition
BESTSELLER NO. 10 in 2020
  • VALUT SET - Our 81 piece gear toy encourages hours of fun, critical thinking and problem solving. Each set comes with interlocking blocks, gears of varying sizes, swing set, see saw, merry go round, figurines and more! A motorized spinning gear inspires creativity, imagination and the learning of engineering skills for children at a young age.
  • CREATIVE FREEDOM - The colorful jigsaw puzzle construction toy creates a fun atmosphere of strategic thinking, stimulates your child's brain and develops important problem solving, logic and motor skills. There is no wrong way to build the set! Allow your child the creative freedom to piece together countless variations day after day.
  • EDUCATION - Krazy Gears is not only a great learning tool that encourages learning of mechanics and engineering, it is also an innovative toy set with 6 different colors to help children focus their learning on colors, matching, sorting and identifying. Inspire early child development while using imagination and critical thinking to create hours of fun.
  • BATTERY POWERED - Unlike other building block gear sets, Krazy Gears comes with a built in motor. A flick of a button is all it takes to spin all the gears automatically without the need of manually cranking it. Only one AA battery is required. (batteries not included)
  • GIFT - If one set is not enough to keep your kids excited, buy two or three and bring the fun to new heights! With multiple sets the possibilities are almost endless. Keep inventing new designs and build Krazy Gear megastructures using the same gears and blocks. Ages 3 and up. Adults' supervision is recommended.

ZOOB BuilderZ S.T.E.M. Challenge

ZOOB BuilderZ S.T.E.M. Challenge
BESTSELLER NO. 11 in 2020
  • Design and build cool, wacky creations
  • Solve challenges, such as hitting targets and making balls bounce
  • Build a catapult, zip line, trampoline and more
  • Includes 175 ZOOB pieces, 4 wheels, a ball, 24 rubber bands, 2 foam play pads, string, challenge cards and 5 instruction guides
  • Recommended for children 6 years of age and older

AWESOME Unlimited Creation Cubes 100 Piece Snap Unit Cubes Centimeter Cube and Interlocking Building Set STEM Toy | Promote Color Sorting & Math Counting Skills

AWESOME Unlimited Creation Cubes 100 Piece Snap Unit Cubes Centimeter Cube and Interlocking Building Set STEM Toy | Promote Color Sorting & Math Counting Skills
BESTSELLER NO. 12 in 2020
  • DURABLE | Pieces easily snap together and are designed to withstand rough play. Your child can explore their wild imagination with this high quality innovative building set.
  • CREATIVE | With about 100 bold & brightly colored pieces to choose from, the options are endless. Build flowers, animals, cars, worlds and more by clicking pieces in place.
  • EDUCATIONAL | Link together pieces while improving independent play, hand eye coordination, spatial skills & dexterity. Great for sensory development, occupational therapy and autistic individuals.
  • SAFE | Toys are stored in adorable reusable bag for easy clean up. Unlimited Creation Cube is made from non-toxic, BPA free polyethylene, LAB TEST APPROVED! Ideal from age 3 to adult. Please supervise small children.
  • CUSTOMER GUARANTEE | AWESOME CHOICE values you! If you are unhappy with the quality of your product, please contact us within 30 days for your money back.

Learning Resources Candy Construction Building Set, 92 Pieces

Learning Resources Candy Construction Building Set, 92 Pieces
BESTSELLER NO. 13 in 2020
  • Build sweet structures with sticks, swirls, gumdrops, and more
  • Boost fine motor and early STEM skills
  • 92 pieces in a variety of fun, familiar designs
  • Features activity guide with step-by-step building directions
  • Fun for ages 4+

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