15 Rods Abacus Soroban Beads Column Kid School Learning Aid Tool

Descirption:Soroban style abacusOne bead above and four beads belowGive concrete visible display of numbers by beadsA very useful tool in general mathematics educationWidely used by kids, accounting students, merchants, traders, ectSpecificationsMaterial: PlasticColors: Black & Brown (As the picture showed)Size(Length x Height x Width): about 23 x 1.5 x 6cm(9.06 x 0.59 x 2.3'')Package include1 x AbacusNoticeDue to the difference between different monitors, the picture may not reflect the actual color of the item.Please allow 1-5mm error due to manual measurement. Thanks