Wooden Frame Classic Ancient Calculator Abacus Soroban Plastics Bead Toy Develop Kid`s Mathematics

Specification: ? Size: Length 24.5cm? width 7.8cm? height 2cm Material: wooden frame, synthetic beads Color: As the picture shows ? Feature: ? Made of aluminum alloy bars, strong and durable. Aluminum bar border. A key reset Liquidator. Using artificial stone synthetic beads. Bottom design with? non-slip shock pads, the use of more stable and more convenient. Applies to students, accounting, accounting, banking, competition, exercises, learning mental arithmetic, special abacus etc. ? Package included: ? 1 x Abacus Wooden Frame Beads Calculator