Nanoblock

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Nanoblock @ Otaku House The Nanoblock is the smallest brick in the world! Developed by Kawada Japan and are inspired by Lego bricks, the Nanoblock has the smallest brick size of 4mm × 4mm × 5mm. The underside of the bricks are different from Lego bricks because they use a dividing flange, known as the double-ridged backing system, instead of the tube system that Lego employs. These are official Nanoblock from Japan.