A. Reset: The reset button of the Soroban is quite convenient to use. After finishing processing a record and moving on to the next one, gently press the reset button to return to the original state. B. Perfect finish: The frame of the Soroban is polished and round, without scratches, allowing for comfortable use. C. Increased intelligence: Using the Soroban can enhance the child's practical ability and affect the activity of brain cells, potentially improving the child's intelligence level. D. Material and size: The Soroban consists of 13 rods and 5 beads. It is made up of a plastic frame, beads, and bamboo pegs. Its size is approximately 24.6 x 7 x 1.8 cm. E. Product description: - The Soroban style chart is suitable for quick calculations. - This abacus is wrapped in a sturdy plastic frame and comes with bamboo rods. - This is a user - friendly abacus/soroban, recommended for use in math soroban courses. F. Features: Material: plastic frame and balls, bamboo rods. Size (W x D x H): about 25 x 7.5 x 2 cm. G. Delivery: 1 x abacus with 13 rods.