The moving, mind-building, modeling system. This building set has pieces that move after kids put them together, so kids can play with their creations. Pieces snap, click, and pop together to form joints that rotate, limbs that extend, axles that spin, and lots more. Versatile set offers unlimited, open-ended imaginative play with built-in educational value. Set is easy to use. Comes in a resealable plastic tub with six instruction guides. ZOOB is "The Moving, Mind-Building Modeling System". Ages 5-8.