Home Home Decor MindWare KEVA Contraptions (736970441566) Learning thats right on track Create ramps, funnels, chutes and crazy contraptions like the Black Hole or the Bounce Plate No Glue, no connectors – just loads of constructive fun Includes 200 identical wooden planks, 2 specially designed light weight balls for maximum action And an 18 page idea book with project photos and quick start instructions Ages 7 and up