ZOOB, The Moving, Mind-Building, Modeling System. 15 Pieces. Directions for zoob creations included. ZOOB is a building set with a difference?the pieces move after kids put them together. So kids can play with their ZOOB creations, instead of just looking at them. ZOOB pieces snap, click, and pop together 20 different ways, so there?s no limit to what kids can build. And because ZOOB pieces can move, kids can play with their creations, instead of just looking at them. ZOOB is great for boys and for girls.