Description Kinetic sculptures, or automata, are mechanically engineering toys that move when you crank the handle on the side. They move through a series of axles, cams, and cranks that work like the pistons in an engine. Each model includes a papercraft character that you fold and link with LEGO elements. Small Parts – Not for children under 3 yrs. Product Details ISBN13: 9781338603453 Format: Art and Craft Kit Ages: 8 and up Grades: 3 and up Pages: 78 Weight (lbs): 1.4 Dimensions: 1.675 x 10.1 x 10.1 Language: English