Gear up for hours of fun Endless creative combinations Encourages creativity Construct Custom Creations This geared construction set enables kids to create custom designs that actually move! Simply select your pieces, snap them together, and give it a spin to set your design in motion. Play and Learn Construction play is more than fun! Building helps develop problem solving skills, introduces reasoning skills and the basic principles of engineering, develops fine motor skills, and gets kids thinking creatively. .

Contains: 1 Guide 150 pieces: 14 pillar extenders, 24 six way axles, 31 square pillars, 72 gears, 1 crank, 8 base pieces 1 storage tub.