Boulier chinois en bois - 15 rangées - bordeaux Boulier-japonais Le boulier d'écolier procure une

Le boulier d'écolier procure une introduction à la fois aisée et sérieuse à l'univers des mathématiques

et peuvent causer des pertes d'assurance comme de l'insuccès pédagogique

Why Choose an Abacus

often working alongside their parents

but gradually their speed and accuracy will improve

Boulier chinois en bois - 15 rangées - bordeaux Boulier-japonais Le boulier d'écolier procure uneFeatures 42. 6 x 17. 1 x 3 cm Made from solid wood Burgundy paint with a satin varnish finish Beautiful Chinese wooden abacus with 15 rows of beads. Its solid wood construction and burgundy satin paint enhanced with a glossy varnish make it an elegant and striking counting tool. History of the Chinese Abacus The abacus is a calculating tool used in China since the Han dynasty (206 BC 220 AD). It was also known as the counting frame. The abacus