Einstein NBCC-057 NANOBLOCK Character
Product description: NANOBLOCK, the original line of construction toys by Japanese manufacturer Kawada. The smallest nanoblock measures just 4×4×5mm, which is about 1/6 the size of traditional blocks. Perfect for a more precise and detailed construction.
from the Great Persons
series. Not many people know it, but a lesser know equation by Einstein is nano×block = fun²
This set contains 260 pieces. Difficulty Level 3.
Warning: This product contains small parts, which may pose a choking hazard to infants and small children. Recommended for ages 12 and up. To be used under adult supervision.