Hold these life-size, human x-rays up to the light or use them on a light table and see every authentic detail of a real skeleton. Durable construction provides years of use on light tables, overhead projectors and white surfaces. X-rays are made of scratch-resistant plastic. Arrange the 18 pieces together to reproduce the entire body of a young adult 5′ (1.5m) tall. Each piece of film is printed with a small icon indicating where the x-ray is located relative to the entire skeleton. The teacher guide includes reproducible artwork and information on radiography. True to Life Human X-rays are recommended for children ages 4 and over.