Antique Japanese abacus in solid wood engraved for mental calculation with 5 beads. Engraved on the back, traces of time and dust at the bottom of the frame, vintage object from Japan...

These manual calculators improve numerical skills through touch as they allow numbers to be visualized and make it easier to move on to abstraction. A beautiful decorative object.

Different dimensions:

S 29 x 11.5 x 3.5 cm

L 33.5 x 11 x 2.7cm