Build STEM-driven models, such as DJ Bubbles (an octopus spinning records), a pterodactyl, a yeti and much more! Kinetic sculptures or automata, are mechanically engineering toys that move when you crank the handle on the side. They move due to a series of axles, cams and cranks that work like the pistons in an engine.Details:Includes 62 Lego elementsCreates 8 machinesFor ages 8 and up