The nanoblock® Mini-Collection DragonBall Z Licensed Series recreates micro-sized versions of all your favourite DragonBall Z characters!nanoblock® is the original micro-sized building block. The smallest part is a mere 4x4x5 mm! Completed nanoblock® Mini-Collection models are small enough to fit in the palm of your hand.Each nanoblock® set comes with spare blocks, a display baseplate and detailed step-by-step building instructions.# of pieces: 120Ages: 8+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 3.