Seaboltd 13 Column Abacus Soroban classic Tool In Mathematics Education Beginner

Descripción

100% Brand new,never used Item's color might be different from the picture because of the aberration. The abacus,also called a counting frame,is a calculating tool where beads are moved up and down and by feeling and looking at the beads, complex calculations are made. Soroban abacus is great for rapid calculation.This abacus is encased in a durable plastic frame and suspended with bamboo rods.It is a user-friendly abacus/soroban which is highly recommended for use in any math abacus/soroban course. Features: 13 bamboo rods,with 1 bead above and 4 beads below on each rod Traditional arithmetic abacus,a classic tool that is still fully functional A nice tool for kids' early mathematic education Can be used as classical calculator in office,education tool for teacher or a gift for abacus collectors Digit number:13 Material:Plastic frame and beads,bamboo rods Color:Black frame,brown and black beads Size (L x W x H):Approx.L 20.5cm * W 6.2cm * H 1.5 cm Weight:102g Package Included: 1 x Abacus