4 years & up. Real animal x-rays printed on durable transparent plastic are great for years of use on light tables, overhead projectors, and white surfaces. Study the interior structure of several mammals, reptiles, fish, amphibians, and birds. Examine the picture cards with the x-rays. These highly detailed photographs match the animal x-rays. Lay the x-ray over the photograph to see how the skeletal system supports the body of each animal. Includes 14 x-rays, 14 picture cards, and a teacher guide. X-rays and cards measure up to 8" x 10". X-Rays and Picture Cards Include the Following Animals: Common Marmoset - A small tree-dwelling mammal found in the tropical rainforests of South America Pumpkinseed Sunfish - They live in weedy, warm water areas such as Lake Erie and the Ohio River European Rabbit - They live underground in very large colonies Frontosa Cichlid - This colorful fish lives in the deep waters of Lake Tanganyika in Africa Infant Kangaroo - A baby kangaroo is called a Joey Green Tree Python - They are found in New Guinea and Cape York Peninsula of Australia Western Diamondback Rattlesnake - They hide in the burrows and are often seen on rocks Box Turtle - This land-dwelling reptile prefers fields and forests Infant Green Iguana - This reptile will grow between 4 and 6 feet Red-Tailed Hawk - Their eyesight is 8 times as powerful as a human Dwarf Crocodile Eggs - The crocklets (babies) can chirp to their mother from inside the egg Turkey Vulture - Their wingspan can reach 6 feet long Veiled Chameleon - This slow-moving lizard can tolerate extreme temperatures and levels of humidity Leaf Frog - They are brown and resemble a leaf, helping them to blend into the leaves on the ground