The Plesiosaur lived around 205- 66 million years ago and is known for its long neck and small head. This 3D puzzle version has 38 perferated pieces to be popped out of the sheets provided to build a Plesiosaur with backdrop. Model Size: 29.4cm x 27.8cm x 18.4cm. Age: 8+ years. Small parts, not for children under 3 yrs.