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Twenty years ago, our founder Jim Bagley noticed the limited nature of stackable toys on the market, and the restrictions their design placed on how these toys could be enjoyed. He set out to design dynamic stackable toys that could combine to create something as small as a hand-held motorcycle or as large as a child-sized tower.

Our Amazing Toys!

Creative Storytelling

When a child plays, they immerse in a world of their own creation. They fill that world with details and rules, piecing together how things work and are connected. They tell themselves stories that become part of how they see and interact with the world. Their toys need to be as capable as their minds.

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New Ways To Build

Our incredible building systems give the flexibility they need to freely create. Pieces are incredibly interconnectable allowing for building in unlimited directions and possibilities.

Learning Through Play

Our building toys are not just fun, they are a powerful tool in teaching STEM principles through play. Children will develop critical skills as they translate the ideas in their minds to reality, experiencing the scientific
method and the trial, error, and iteration that is used by scientists, designers, and engineers to create and shape the world.

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Ditch The Screen

Give kids a reason to ditch the screen and lose themselves in play and create memories that will last. Our toys engage the curious mind in an age where digital distractions are at every child’s fingertips.

For Ages 4-6 +

  • Starter Set

    From: $15.99 From: $12.00

    Details For Ages: 6 and up. 32 pieces Great for first Ocho kit Builds These Models Cabin Playground Glider

  • Kadu 75 Piece Tube

    $8.99 $7.00

    Details Jump right in with the easy to learn one piece building toy Kadu! For Ages: 4 and up. 75 pieces One Piece Many Colors Hours of Free Play Fun Incredibly Interconnectable

  • Kadu 200 Piece Tube

    $15.99 $12.00

    Details Jump right in with the easy to learn one piece building toy Kadu! For Ages: 4 and up. 200 pieces One Piece Many Colors Hours of Free Play Fun Incredibly Interconnectable

  • Animal Safari

    From: $9.99 From: $7.00

    Details For Ages: 6 and up. 16 pieces Hours of animal building fun   Builds These Models Duck Dinosaur Alligator Deer And many more...

For Ages 6-10 +

  • Details The Ultimate That Hinge Toy collection for the extreme builder. For Ages: 5 and up. 128 pieces Easy to Master Connections Endless Building and Rebuilding

  • Medium Dragster Kit

    From: $29.99 From: $22.00

    Details For Ages: 6 and up. 74 pieces Hours of four-wheel fun 6 wheels included   Builds These Models Dragster Motorcycle Pickup Truck  

  • Large Adventure Kit

    From: $79.99 From: $65.00

    Details For Ages: 6 and up. 275 pieces Endless Free-Play Builds These Models Space Shuttle Airplane Pirate Ship

  • Kadu 200 Piece Tube

    $15.99 $12.00

    Details Jump right in with the easy to learn one piece building toy Kadu! For Ages: 4 and up. 200 pieces One Piece Many Colors Hours of Free Play Fun Incredibly Interconnectable

For Ages 7-12 +

  • Details The Ultimate That Hinge Toy collection for the extreme builder. For Ages: 5 and up. 128 pieces Easy to Master Connections Endless Building and Rebuilding

  • Off Roadz Set

    From: $54.99 From: $40.00

    Details For Ages: 6 and up. 201 pieces Includes 12 gears and tires Trekz 4x4, Dirt Bike and trailer can all be built at same time Builds These Models: Trekz 4x4 and trailer Dirt Bike Path Crusher

  • Large Adventure Kit

    From: $79.99 From: $65.00

    Details For Ages: 6 and up. 275 pieces Endless Free-Play Builds These Models Space Shuttle Airplane Pirate Ship

  • Knuckle Bots Set

    From: $29.99 From: $25.00

    Details For Ages: 6 and up. 148 pieces Strutziod robot Xenobot with spinning auto-gun arm Doom Cruiser with 2 spinning tires Builds These Models: Xenobot Strutzoid Knuckle Cruiser

  • Kadu 200 Piece Tube

    $15.99 $12.00

    Details Jump right in with the easy to learn one piece building toy Kadu! For Ages: 4 and up. 200 pieces One Piece Many Colors Hours of Free Play Fun Incredibly Interconnectable

  • Hyper Bikez Set

    From: $15.99 From: $12.00

    Details For Ages: 6 and up. 40 pieces Includes 2 gears with tires Builds These Models: Hyper Bike Dirt Bike Knuckle Cruiser

  • High Flyerz Set

    From: $19.99 From: $15.99

    Soar through the skies with the KnuckleStrutz Stealth Flyer and Sky Chopper! Details For Ages: 6 and up. 70 piece Helicopter with spinning propeller Builds These Models: Stealth Flyer Sky Chopper

  • Dune Racer Set

    From: $19.99 From: $15.00

    Details For Ages: 6 and up. 74 pieces Includes 4 tires Builds These Models: The Dune Racer The Street Racer The Knuckle Copter

Extreme Builder Kit

  • Details The Ultimate That Hinge Toy collection for the extreme builder. For Ages: 5 and up. 448 pieces Easy to Master Connections Endless Building and Rebuilding 7 Colors of Each Shape

  • Ocho Extreme Builder Set

    $175.94 $90.00

    Details The Ultimate Ocho collection for the extreme builder. For Ages: 6 and up. 431 pieces Endless Free-Play Collection Includes: Adventure Kit Dragster Kit Starter Kit Animal Safari Speedster Tri-cruisers

  • Details The Ultimate KuckleStrutz  collection for the extreme builder. For Ages: 6 and up. 886 pieces Morphing and Movable Models 6 of our favorite kits   Collection Includes: Knuckz Delux Set Off-Roadz Set Knuckle Bots Set High Flyerz Set Hyper Bike Set Gearz Set

  • Details For Ages: 4 and up. 2100 pieces One Piece Building Hours of Free Play Fun

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