| 摘要 |
A bravo yo-yo is provided, which enables to cause the progressive thinking and the good habit, obtains the effectiveness of education, and improves the physical strength. A bravo yo-yo comprises: a body; a semi-cylindrical gear formed at the location of a third of width diameter pole of left and right wheel axes inside the body; a host country cylinder in which the national flag of the host country is inserted into the center at the top left and right; a form of the Olympic symbol mold frame connecting left and right wheel and upper end host country cylinder; and a stick handle fixed to the center of the back plane body. |
