What makes this unique is that it requires only four parts to build a 2x2x1 Rubik's style puzzle. No screws, pins, or caps necessary! Assembly re...

What makes this unique is that it requires only four parts to build a 2x2x1 Rubik's style puzzle. No screws, pins, or caps necessary! Assembly re...

This toy has eight sets of built-in hinges so it can be folded through a series of square and rectangular shapes like a Yoshimoto Cube.If you've go...

Unique trisection of a sphere. The pieces are identical, but they fit together in only one orientation to form round marble-like sphere.

Two pieces must be ordered for a complete pendant.Assemble two identical pieces to form this airy Twirlicue shape.  The pieces can join togeth...

This shopping-bag hook holds bags so they won't slide around the MINI's floor. It's also convenient for temporarily hanging small objects, keys, a...

Six pieces can be assembled into a puzzling box. It's challenging to assemble because the parts have to be carefully bent and interlaced, and they...

These three unique pieces fit together to form a box, but it's a bit puzzling to fit them together because each piece seems to be both "inside" yet...