Brand new and high quality Features: Among the most fiery cartoon toys, so children enjoy the fun while feeling that the animated toys bring the fun. Lying on rails placed on the gyro, the gyro lets slide up and down the track. Let the rolling gyro and up to a certain speed, the gyro will issue its own colorful glare. If the gyro flash function does not start, you need to increase the wheel rotation speed, the centrifugal force to achieve improved light start. When the gyro has enough speed to throw the ground gyro, the gyro will rotate at high speed on the ground and have a magical colorful light effect. You can catch the ground wheel's spinning top and continue its rapid rotation. Gyros on the rollers are more fun. Specification: Item Type: YO-YO Ball Toy Powered by: 3x AG10 button batteries (included) Material: ABS + metal Length: approx. 31 cm/12.20 inches Color: Random delivery (if you buy more than one, the colors you receive will be the same or different.) Quantity: 1 set Note: No retail package. Please allow 0-1 cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!