The Plesiosaur lived millions of years ago and is known for its long neck and small head. This 3D version has 38 perforated pieces to be popped out of the sheets provided to build a Plesiosuar with backdrop. 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. No of Pieces: 38. Model Size: 29.4cm x 27.8cm x 18.4cm. Age 8+ years.