Nanoblock: The original micro-sized building block born in Japan. The smallest part is a mere 4 mm x 4 mm x 5 mm. Fun to make, fun to display, and fun to collect. Nanoblock is a stimulating and entertaining hobby material for everybody, especially for grown-ups!
410 pieces; Skill level 4 (of 5); Ages 8 and up. Made in China.
Warning- choking hazard, small parts. Not for children under 3 years old.