The discoveroo layer puzzle has 5 different layers of the body; clothes, skin, muscles, organs, skeleton. It is educational and ideal for learing the basics of the body and challenges the childs sequential thinking and logic skills. Puzzles are fantasitc activities for kids, as they also enhance their problem solving skills and motor skills, as well as keeping them entertained in engaging and eductional past time. Kids will find this puzzle fascinating, as it also relates back to them. This puzzle makes a great gift that is sure to be appreciated by parents and kids alike.