1. Material: plastic + metal + electronic components
2. Power supply: 3 x AG10 button batteries
3. Comfortable handle, fine workmanship, delicate feel, smooth and burr-free
4. Gyro magnetic adsorption, close to the steel ring, do not worry about falling when rotating, play at will, play a variety of ways
5. LED color changing light, fling the gyro along the track rotation, turn to a certain speed will emit colorful light
6. Weight: about 72 g
7. Size: about 19.8 x 5 cm, gyro diameter of about 6.3 cm