Professor Puzzle Dinosaur Building Kits for Kids Super Set -- 6 Dinosaur Wooden 3D Skeleton Puzzles (Wood Craft Model Kits for Kids) Wooden Professor Puzzle Dinosaur Building Kits for Kids Super Set -- 6 Dinosaur Wooden 3D Skeleton Puzzles (Wood Craft Model Kits for Kids). Includes 6 individually packaged dinosaur construction kits: Pterodactyl (25 pieces); Velociraptor (36 pieces); Triceratops (17 pieces); Tyrannosaurus (28 pieces); Stegosaurus (38 pieces); Styracosaurus (33 pieces). Build your own dinosaurs with this pack of 6 dinosaur 3d wooden model kits. Perfect for ages 3 and up. Each dinosaur wood puzzle takes approximately 30 minutes to assemble. Perfect as dinosaur party favors, party supplies, party activities and party games. Also a great gift for any dinosaurs fan.