Your little paleontologist can bring the dinosaurs back to life with this 3-D puzzle that forms a detailed Plesiosaurus skeleton once complete. The punch-out pieces are quick and easy to assemble. Includes 50 pieces. Assembled: 20" L x 10" H. Recyclable PVC. Recommended for ages 7 years and up. Made in the USA. Difficulty level: 5 (out of 5). CHOKING HAZARD: Small parts. Not for children under 3 years.