This DIY assembly - Kids Wooden Puzzle, 3D Dinosaur is made of safe, non-toxic plywood. No additional tools or glue necessary! Great activity for both children and adults. Improves motor, cognitive, and emotional skills. Use for educational purposes, as collectibles, and/or decorations. Assembled Size: 12.99 x 3.15 x 9.06 in. Puzzle Pieces: 29 pcs. Fun, unique, and engaging. Makes the perfect gift for the dinosaur lover in the family!!