Used a few times at school and then stored. 27-digit abacus. Name is written on it. Although it's been years, the beads move smoothly, and it doesn't look old. If you understand the above, and someone would like to use it, please purchase it. Kin Daruma Abacus Length: Approximately 39 cm Width: Approximately 6.5 cm Thickness: Approximately 1.5 cm