Now you can nano-size your very own set of dinosaurs. With these micro-sized building blocks, 3D models take shape right beneath your fingertips! You will be amazed as these dinosaurs are assembled to the tiniest detail. With over 240 assorted pieces, create a detailed replica of a Stegosaurus and a Tyrannosaurus that fit perfectly in the palm of your hand. Stegosaurus finished size is 2" h x 1.125" w x 5.25" d and the Tyrannosaurus finished size is of 2.75" h x 1" w x 4.5" d. Includes detailed color instructions. Not designed for children under age 8. Level of Difficulty: 2 (on a scale of 1-5 with 5 being the most difficult). The smaller the block the better the detail.