Glow in the Dark Dino Bones Stegosaurus & Parasaurolophus Puzzle Build Your Own Dinosaur One package contains 2 Glow in the Dark Dinosaur Skeletons. Dino bones of Stegosaurus and Parasaurolophus. Each Dinosaur is a 3D puzzle/model. Glowing Fossils. Instructions say use the diagram to find and match numbered pieces. Slots with the same number fit together. Contains Small Parts. Intended for ages 4 plus. Adult supervision recommended.