Kids love exploring and learning about human anatomy with this hands-on set that makes visualizing body parts as easy as 1-2-3! The set includes 8 full-color, 3-piece puzzles showing the skeleton, internal organs, the circulatory system and more. Kids can even mix & match the puzzle pieces to build their own custom models! Set includes 24 color-coded pieces, plus 4 informational cards and a plastic building tray. Tray measures 9".