With the Knuckz Delux, our biggest standard building set yet, you can assemble the Engine 29 fire truck and the Big Rig semi truck! You can also build 6 other models! Use the 397 pieces (including 12 gears and 10 tires) to construct any model you can imagine!
• 397 pieces
• Can build 8 models
• comes with 22 gears and 10 wheel tires

Spatial awareness and geometric patterns are great to learn about when you have a big morphing models. The Geometry construction set is made of interlocking geometric shapes. with the amazing morphing power of KnuckleStrutz joints, these building toys can transform, while all of the pieces still connected! With its many pieces, you can also build the Hyper Bike from our main product line.
• 514 pieces
• Create shapes that dynamically morph
• Build complex models with basic geometry
• Also includes instructions for the Hyper Bike motorcycle

This new construction toy functions off of 8 sided geometry. Pieces connect at 90 and 45 degree angles, and can be combined with a 6 sided part that can connect at 33 degree angles. Hinges, axels, and other components help kids create moving structures.