An unresponsive yo-yo uses an unresponsive bearing. You need to do some tricks to get it back. Very suitable for more advanced sleeper techniques. Excellent performance The yo-yo ball is made of aluminum alloy on a CNC lathe, which is corrosion-resistant, stable and firm, and can give full play to the stringing skills of the yo-yo. Professional yo-yo anodic oxidation surface treatment makes this professional yo-yo never fade and not easy to be scratched. This is a great intermediate yo-yo. Ultra-small size: straightness: 52MM. Width: 40.16MM. Shaft width: 4.45MM.Very suitable for daily carrying. But its size is heavy, because its rims are heavy. This makes it very stable and comfortable to play. The heavier weight gives the Yo-Yo a good balance and a longer spin time. Exquisite and interesting gift This yo-yo toy is an ideal gift for your children and friends. This is fun and educational. 1. This is an unresponsive yo-yo, which means you need to do some tricks to get it back into your hands. It will not automatically return like a reactive yoyo. 2. Over 8 years old. 3. When there is a problem with the yo-yo, the yo-yo should be replaced regularly so that you can play better.