Contraptions 400 Plank Set

Learning That's Right on Track
Young thinkers can build unbelievable ball track structures with this simple stacking plank system
Create ramps, funnels, chutes and crazy contraptions like the "Black Hole" and "Bounce Plate"
No glue, no connectors-just loads of constructive fun! Includes 400 identical wooden planks, 2 specially designed lightweight balls for maximum action and an 18-page idea book with project photos and quick-start instructions
Contraptions planks are made from pine Young thinkers can build unbelievable ball track structures with this simple stacking plank system. Create ramps, funnels, chutes and crazy contraptions like the "Black Hole" and "Bounce Plate." Then find out if the ball rolls as expected. Fostering unlimited creativity and experimentation, KEVA planks build an early understanding of proportion and balance, while teaching basic princi More »