Reset button: Soroban's reset button is convenient to use. After completing a calculation, press the reset button to return to the original state. Perfect finish: The abacus frame is smoothly polished and free of burrs for comfortable use. Increased intelligence: Using the abacus enhances a child's practical skills and stimulates brain activity, supporting cognitive development. Material and size: This abacus features 13 rods with 5 beads each. It has a plastic frame, beads, and bamboo rods. Size: 24.6 x 7 x 1.8 cm. Designed for quick calculations. Sturdy construction: The abacus is enclosed in a durable plastic frame with bamboo rods. User-friendly design: This abacus is suitable for educational use in mathematics learning. Features: 13-digit frame. Materials: plastic frame and beads, bamboo rods. Dimensions (L x W x H): approximately 25 x 7.5 x 2 cm. Package includes: 1 x abacus with 13 rods.