This project is intended for kids ages 8+. Learn about the anatomy of your hands while crafting this fun moveable hand model. It is a great representation of how the muscles and bones in our hands work together to move! The muscles that make your fingers bend aren’t actually in your hand, they’re in your arm! Long tendons stretch from these muscles up to the tips of your fingers. Tunnels called tendon sheaths help guide the tendons and keep them in place. When the muscles contract, they pull on the tendons and make your fingers bend. In our model, the strings represent these tendons and the straws represent the tendon sheaths!