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Build unbelievable ball track structures with this simple stacking plank system from Mindware®. Young thinkers can create tracks, ramps, tunnels, funnels, and chutes, plus 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, balance, and stability, while teaching basic principles of physics and engineering. No glue, no connectors-just loads of constructive fun! This set includes 200 identical wooden planks, 2 specially designed lightweight balls for maximum action, and an 18-page idea book with project photos and quick-start instructions. KEVA Contraptions planks are made from pine.
WARNING: CHOKING HAZARD - This toy contains a small ball. Not for children under 3 yrs.