Build-a-Dino Styracosaurus 3D Puzzle Making a 3D dinosaur skeleton is easy, with Ryan's Room Build-a-Dino Styracosaurus from Small World Toys No cutting, no gluing, easy-to-assemble 3D representation of a soaring Pteranodon Pre-cut pieces made of smooth, durable plywood slot together and form a 3D model you can paint (paint not included) 3D wooden dinosaur skeleton measures 16.5''W x 6''D x 8'' H when fully assembled; for children 6 and over For 50 years, Small World Toys has delivered fun, safe, innovative and endearing products for children of all ages