26058 Features: -4D-Vision human muscle and skeleton anatomy model.-Learn all about the muscles of the body with this 4 dimensional model.-8" Model contains 46 detachable parts and display stand.-Collect the series - great gifts for education or physicians.-Hand painted parts are medical education quality.-Ages: 8 - 15 years. Includes: -Also includes Illustrated assembly guide and description of the anatomy along with some fun Q and A to test your knowledge. Assembly Instructions: -Assembly required.