This National Geographic Kids 3D World of Ice & Snow Puzzle comes with a fascinating booklet that is packed with eye catching photographs and fun facts. This 3D Puzzle is made of paper and expandable polystyrene foam board, it is easy to assemble without the use of any other tools or glue. Nbr of Pieces: 73. Model Size: 26.7cm x 44.5cm x 21.7cm. Age: 5+ years.