Features: Unresponsive Yoyo: Black peal is an unresponsive yoyo, use an unresponsive bearing. You need to do some tricks to get it to come back. Perfect for more advanced "sleeper" tricks. Excellent Performance Yoyo: Made of 6061 alloy aluminum by CNC numerical control lathe, anti-corrosion, stable and robust, you can play yo-yo string tricks very well. It is a professional yo-yo Anodizing surface treatment makes this professional yoyo ball never fade and not easy to scratch. It is a good intermediate yoyo. Undersized Yoyo: Diameter: 52MM. Width: 40.16MM. Axle width: 4.45MM, perfect for daily use. But it is quite heavy for its size, due to how rim weighted it is. This makes it very stable and comfortable to play with. Slightly heavier weight made the yo-yo has good balance and longer spin time too. Nice and fun gift: THIS yo yo toy is an ideal gift for your children and friends. It is fun and educational. TIPS1. This is an unresponsive yo yo, which means you need to do some tricks to get it to come back to your hand. It will not return automatically like a responsive yoyo. 2.Age: For ages 8 and up. 3.Yo-yo string should be changed regularly when yo-yo string becomes defective, it will helps you play better.