$25 to $50

Kick your creativity into gear! Easily connect 16 cogs and gears to create a mechanical display like you've never seen before. Six larger gears hav...

Create multiple tracks and see their faces light up watching rattling marbles navigate their way through each magical maze. Large multi-colored pie...

Stack hollow cubes to magically propel stainless steel marbles down a track for a truly mesmerizing experience! Eighteen special tracks grow wider ...