Young thinkers can build unbelievable ball track structures with this simple stacking plank set. Create ramps, funnels, chutes and crazy contraptions like the "Black Hole" and "Bounce Plate." Then find out if the ball rolls as expected. No glue, no connectors: just loads of constructive fun!
Includes: KEVA Contraptions 200-piece plank set contains 200 wooden planks, 2 specially-designed lightweight balls for maximum action and an 18-page idea book with project photos and quick-start instructions.
Ages 7 and up.