Your little paleontologist can bring the dinosaurs back to life with this 3-D puzzle that forms a detailed Pterodactyl skeleton once complete. The pieces come pre-finished, numbered, and ready to assemble. Includes 23 pieces. Assembled Dimensions: 15" L x 29" W. Recycled HDPE. Recommended for ages 7 years and up. Made in the USA. Difficulty level: 2 (out of 5). CHOKING HAZARD: Small parts. Not for children under 3 years.