My Hero Academia Nanoblock Character Collection Series - HawkHawks from Nanoblock's Character Collection series stands approximately 2. 95' tall and has 190 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 (entry level) and is for ages 8+. With bricks as small as 4mm x 5mm and manufactured to the highest tolerances for a perfect fit, make amazing 3D art that fits in the palm of your hand. Build models with incredible detail,