7/9/11/13/15/17 Digit Rods Standard Abacus Brown Plastic Abacus for Kids Math Learning Tool Counting Bead Frame for Students

Description1. Children's abacus brown bead Black Dingshen ink bead mental arithmetic can help children improve their arithmetic calculation ability through practical operation, so that they can learn and progress in the game.2. By manipulating brown and black beads to perform calculations, children's attention and concentration can be effectively cultivated.3. Using this abacus for complex calculations can exercise children's acuity of thinking and logical reasoning ability.4. The design of this children's abacus is very exquisite. The collocation of brown and black beads makes this calculator more noble and classical.5. Both adults and children can easily calculate by moving the beads, truly learning and entertainment.Specifications:Material: ABS PlasticSize: Reference imageColor: As shown in the figurePackage: 1Pcs AbacusNotes: 1.Please allow 10% errors differences due to manual measurement, thanks.2.Due to the difference between different monitors, the image may not reflect the actual color of the item.