Portable Chinese 13 Digits Column Abacus Arithmetic Calculating Counting Math Learning Tool School Office Use

13 rods, with 1 bead above and 4 beads below each rod. Traditional classic functional arithmetic abacus. Well made wooden frame and plastic beads. A nice tool for kids' early mathematic education. Can be used as classical education tool for teacher or a gift for abacus collectors. Specification: Item Type: Abacus Material: Wooden + Plastic Dimensions: app.24.5x8cm/9.65x3.15in Color: As the picture shown Packing: 1 * calculator Please understand that due to differences in lighting or computer monitors, I cannot that the photos and actual colors are the same.Due to different measurement methods, there may be a deviation of 1-2cm.Well built and durable plastic keys allow for constant use without any wear and tear, giving you the feel of quality.

• 13 rods, with 1 bead above and 4 beads below each rod.
• Traditional classic functional arithmetic abacus.
• Well made wooden frame and plastic beads.
• A nice tool for kids' early mathematic education.
• Can be used as classical education tool for teacher or a gift for abacus collectors.
• Dual solar energy and battery power sources give this product a long-lasting battery life, so you never have to worry about running out of power. Also has Auto Power-Off. The calculator will turn itself off after about 6 minutes of being idle.