Nano-block is a micro-sized building block from Japan. The Nano-block Mini-Collection Series recreates micro-sized versions of all your favourite critters, dinosaurs and musical instruments. Start building on a scale never seen before! This amazingly small micro-sized block makes it possible to create detailed masterpieces from tiny animals and miniature musical instruments to architectural landmarks from around the globe. With exciting models to appeal to every personality, Nano-block is sure to captivate builders of all ages. Create your own micro-sized menagerie with Nano-block Critters! The set includes 70-150 blocks, detailed colour instructions, and spare blocks. Each Nano-block Critter takes the average builder between 10-30 minutes to complete. The smallest block measures just 4x4x5mm. This building block is suitable for children aged 8 and above, and is loved by both young and young-at-heart builders.