Nanoblock Triceratops and Brachiosaurus Model Kit Over 290 assorted size pieces Triceratops - Finished size of 2" h x 1.25" w x 4.5" d AND Brachiosaurus Skeleton - Finished size of 5" h x 1.25" w x 8" d Includes detailed color instructions Not designed for children under age 8 Difficulty level 4 out of 5