Boulier en bois dragon - 10 rangées Boulier-ancien They won’t have to memorize

They won’t have to memorize solutions or calculation steps

The Chinese abacus has more beads than its Japanese counterpart: five instead of four on the lower deck

Poids : 180g

Friction system for vertical use: perfect for demonstrations

Depuis la maternelle jusqu'à la terminale le boulier prépose une valeur évidente pour l'étudiant qui en fait usage

Boulier en bois dragon - 10 rangées Boulier-ancien They won’t have to memorizeFeatures Size: 18 x 11 x 26. 5 cm 0. 8 kg Dragon motif on the abacus cheeks The familiar Western abacus configuration is the easiest model for the youngest children to grasp. The schoolchild abacus offers a simple yet reliable introduction to mathematics. Crafted from high quality wood, it is both durable over time and eco friendly. Vibrant and appealing colors achieved through non toxic stains and varnishes. Robust craftsmanship designed to withstand