A. This self-balancing gyroscope is an anti-gravity decompression educational toy, also functioning as a finger gyroscope. When feeling anxious, nervous, or stressed, you can try this gyro toy. It can rotate for a long time without shaking, with reasonable counterweight based on the balance principle, ensuring stable rotation. It features fine craftsmanship, carved pattern technology, and polishing, making each detail appropriate. It offers exquisite tricks and endless fun, allows silent play, has vacuum plating for a shiny appearance, and is made with one-piece casting. B. Specification: 10.4 * 7.5 * 7.5cm; Gross Weight: 120g; Color: as shown in the picture. C. Note: 1. Please allow 0-1cm errors due to manual measurement. 2. Item color displayed in photos may show slightly different on your computer monitor since monitors are not calibrated the same. 3. If you have any questions about the product, please contact us, and we will answer patiently. D. Specifications: Cool gameplay with a top shape; Various colors available for choice; Decompression and puzzle features, providing a lot of fun. Package Included: 1 * rotating top (including 1 gyro, 1 base, 1 drawstring, 1 oil bottle). By the way, if you like our store, please add it to your Favorite Stores and click "Follow" to get new arrival and discount information in time. Welcome to dropship and wholesale!