Nanoblocks are the new Lego-like phenomenon for adults and older kids. They test the skills and patience of people who like building mini replicas of animals, statues and objects by providing all the pieces to put it together.With between 80-150 blocks, each nanoblock object takes the average builder between 10-30 minutes to complete The smallest block measures just 4mmx4mm and the pack includes detailed colour instructions & spare blocks.Popular with boys & girls 8+ years Loved by teenagers and adults up to 80 years old.