Soroban géant pour salle de classe 17 rangées - billes vertes / rouges Boulier-ancien causing loss of self-confidence and

causing loss of self-confidence and even academic failure

This Chinese abacus has enough rows for everyday calculations and is especially recommended for introducing both children and adults to abacus use

it remains stable while offering excellent user comfort

What is the Soroban

this abacus strikes a good balance: it is large enough for children to perform calculations comfortably

Soroban géant pour salle de classe 17 rangées - billes vertes / rouges Boulier-ancien causing loss of self-confidence andFeatures Size: 75 x 20. 5 cm Wooden frame ABS plastic beads Strap for hanging Friction system for vertical use: perfect for demonstrations