Product: New Mini Soroban, 13 Digits Size: Width 20.5cm x Depth 6.1cm x Height 2cm Material: ABS resin (not wood) Shipping: Free This is a new soroban. Although it's a mini size, it has 13 digits and is quite authentic. It's the perfect size for beginners to learn soroban. It's also great for: Those who used to do soroban but haven't touched one in a while Those who want to keep a soroban at home Those who want to do quick calculations Those who want to let their children use it Those who want to improve their children's mental arithmetic Those who use it in class Those who want to display it as interior decoration because of its cute design etc. It can be used for many purposes.