KEVA Contraptions: 200 Plank Set Holiday Goodies and eraser

and eraser

then knock it to the ground

Challenge your opponent to a fast paced game of classic air hockey

Balance Beans is a logic game and math game all in one

With the stethoscope

KEVA Contraptions: 200 Plank Set Holiday Goodies and eraserYoung 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