21 Pieces Total: 4 squares, 4 right triangles, 3 large gears, 2 small gears, 5 base, 3 accessories, and 10 bonus symbol cards.

3D Master Gear set allows kids to build moveable aircrafts, towers, bridges, animals, using 3D magnetic blocks and gears.

DevelopCreativity, Imagination, Mathematical, and Scientific Thinking.