Children's Retro Gyro Wheel Set - Includes 4 track twisters, charming rotation and light effect design, random colors IMPROVE MOTOR SKILLS: Not only will kids be excited about these retro-style spinning toys, but they'll also get valuable hand exercise from all the flicking. Magnetic gyroscope wheels also provide a great opportunity to give your children a fun science lesson. Creates a relaxing effect: The charming light effects and the motion of the spinning toy have a soothing effect and help curb ADHD. It's a great toy when you crave quiet afternoons and evenings. HIGH QUALITY TOY: These magnetic gyroscope wheels won't fall off easily, have well-aligned tracks, and feature LEDs that won't short out prematurely. The gyro wheel sticks to the metal track and lights up when you throw it. The product comes with electronics. After placing the ball on the track, the yo-yo will move back and forth on the track and light up by swinging the track. The yo-yo will not fall off the track. Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object receivedDelivery quantity: (according to the main picture)"