Chinese Abacus,Abacus,abacus for math， Abacus Traditional Large Size Abacus Home Decoration Collection Abacus Crafts Mahogany Abacus, 42.5 * 17 * 28cm, Dark Red

【Safe material】: This abacus is made of precious mahogany redwood. Exquisite workmanship, portable and durable. 【 tool】: The abacus is an excellent calculation tool for enlightenment mathematics which can cultivate and improve people's computing power, memory and attention. 【Applicable occasion】: The abacus is widely used in exercises for students. Or school mathematics teaching aids, also it is a popular collection and gift for and rosewood lovers. 【Portable abacus】: The abacus is portable and helps people to improve their hand-eye-brain coordination. The abacus is also a desktop decoration that means wealth and good luck. Chinese Abacus Mathematics Learning Aid Tool,to improve their numeracy ability.