Abacus Specification: Length 16.3cm, Width 7.5cm, Height 12.3cm

Abacus single weight: 0.28kg

Calculator packaging quantity: 100 pieces per box

Dear friends, please note:

This product is very cost-effective, as the beads are manually sorted by hand. There might be some small cracks or small gaps in some beads, but they do not affect normal use. Such issues are not grounds for exchanges or returns. If you are concerned, please do not purchase!!!

This is a very practical teaching aid for the family. Babies can recognize individual, ten, hundred, thousand, and ten thousand, making it an ideal teaching aid for parents to initiate their children's education..Abacus is also a simple and convenient calculation tool invented by the Han ethnic group. Due to the convenience and speed of abacus operations, it has been widely used as a calculation tool for thousands of years among the Han people, and even the most advanced electronic calculators cannot completely replace the role of the abacus. 

In plain English, mental arithmetic is to calculate in one's head. Based on the operation of abacus, mental arithmetic makes the process of abacus operation fully “"内化"可以翻译为 "internalization".”Thus, completely free from the external movements of actual abacus operations, one relies on this.“"内化"可以翻译为 "internalization".”了“"心理算盘"可以翻译为 "mental arithmetic"。”"亦称"的英文翻译是"also known as"或"also referred to as"。“false accounting" 或 "fake bookkeeping”The method of performing addition, subtraction, multiplication, and division in the brain. Abacus calculation itself has the characteristic of calculating in groups, which is undoubtedly helpful for children who find it difficult to master larger number calculations. It helps them to grasp the concept of numbers and overcome the phenomenon of counting one by one. The abacus calculation has the “Five-decimal system”The characteristics of the abacus mental arithmetic model significantly reduce the difficulty of carrying over, which is beneficial for promoting the improvement of children's computational ability.