Interactive, hands on learning solidifies learning for children of all ages. These tins are a great, low mess option for busy families at home or on the go. Each hinged tin contains an inside image for placing magnets. For example, the Human Skeleton tin offers an anterior view of our skeleton on one side with the posterior skeletal view on the opposite side. Tins measure 6 3/4"x 9" and include magnets and topic specific information sheets.