Soroban 1:4 (self-made)
11 columns / Modern / Wood. Self made from some left over wood and bead pieces & acrylic colors. I created them for beginners, so that it is easy to find the right column and quickly get the number(s).
Personal collection of vintage and modern Abacuses / Abaci.
11 columns / Modern / Wood. Self made from some left over wood and bead pieces & acrylic colors. I created them for beginners, so that it is easy to find the right column and quickly get the number(s).