3 years & up. Explore the human body from the inside out! Introduce young students to the inner workings of their bodies with these cute cartoon versions of X-rays and MRIs. The X-rays and MRIs are perfect for light table play. Use these elements in combination with item #63741 What's Inside Me Doll. Encourage career-oriented dramatic play as students pretend to be radiologists, doctors and laboratory technicians. Includes: one 10" x 16" X-Ray, one 10" x 16" MRI, and a guide.