Nanoblock Stegosaurus and Tyrannosaurus (T-Rex) Model Kit Over 240 assorted size pieces Stegosaurus- Finished size of 2" h x 1.125" w x 5.25" d AND Tyrannosaurus- Finished size of 2.75" h x 1" w x 4.5" d Includes detailed color instructions Not designed for children under age 8 Difficulty level 2 out of 5