National Geographic Motorized Marble Run Activity Kit - 75 pcs Steam Roller Kids build a scuttling mechanical

Kids build a scuttling mechanical crab that gets close but won't fall over the edge

Note that color may vary

Get swept into the waves and enter new worlds

consistent with the animation of "Cars Toons

National Geographic Motorized Marble Run Activity Kit - 75 pcs Steam Roller Kids build a scuttling mechanicalThis construction kit is designed to fit together snuggly, so the marble maze wont fall apart while playing. With exciting action pieces and clear smooth run tube pieces, and base pieces, the kit has countless imaginative configurations The marble run kit includes everything allowing the kids to build and re build multiple marble runs as they play. Endless engineering configurations to explore the gravity and motion. GREAT STEM TOY The learning guide