The nanoblock(R) Mini-Collection Licensed Series recreates micro-sized versions of all your favourite Sanrio characters! nanoblock(R) is the original micro-sized building block. The smallest part is a mere 4x4x5 mm! Completed nanoblock(R) Mini-Collection models are small enough to fit in the palm of your hand. Each nanoblock(R) set comes with spare blocks and detailed step-by-step building instructions.