The POOF-Slinky 012000 Slinky Science Anatomic T-Rex Dinosaur Model Kit provides hours of educational fun while your child learns about the anatomy of this prehistoric creature. Has your child ever wondered about dinosaurs and their bones organs and skin? In this activity kit, your child will learn just that by creating the metamorphosis and building a 17-inch Tyrannosaurus dinosaur model. Assembly is a breeze with its interlocking parts and step-by-step instructions. These parts interlock together and provide a sturdy foundation for your T-Rex model. Disassembly is just as easy, with a careful tug, you can pull the dinosaur apart to examine the components more closely. This 51-piece anatomy kit includes (24) skeletal structure bones, (10) organs, (14) pieces of skin, base, stand and 10-page instruction booklet. This is Slinky Science experiment number 190 of a series of science kits that combine the elements of learning and fun to provide hours of educational entertainment. The POOF-Slinky 012000 Slinky Science Anatomic T-Rex Dinosaur Model Kit is recommended for children 6-years of age and older. POOF-Slinky, Inc. is the maker of POOF, Slinky, Ideal and Scientific Explorer Brands. We manufacture POOF foam balls and the world famous Slinky right here in the U.S.A. and our list of products keeps growing. Our company has been in business for over 65-years serving customers around the globe. Our product lines offer new exciting play with the highly successful Sno-Toys line, Fuzz oodles activity kits, as well as timeless classics, such as the original Slinky, Ideal table-top games, wood construction sets and over 400 other products.