Kuromi from Nanoblock's Character Collection Series stands approximately 2.52" tall and has 160 pieces Difficulty: Based on a scale from 1 to 5. 1 being the easiest and 5 being most advanced. This model is based at a Level 2, for ages 8+ With bricks as small as 4mm x 4mm x 5mm, make amazing 3D art that fits in the palm of your hand. Fun to build, Fun to display and Fun to collect! Build models with incredible detail, astounding realism, and create delicate expressions and pixel art-like expressions. All sets come with detailed step by step instructions