Retro Light Up Gyro Wheels Set for Kids- Includes 4, 8.5 Inch Rail Twisters, Mesmerizing Spinning and Lighting Effects Design- Top Fun Gift for Boys and Girls HOURS OF TOTAL FUN: light up toys for kids combine physics and fun to make for hours of engaging play. This battery-operated set includes 4, 8.5 rail twister that both produce a mesmerizing light show. IMPROVES MOTOR SKILLS: The kids will not only be thrilled by these retro-inspired spinning toys, but will also get valuable hand exercise from all the flicking. The magnetic gyro wheel also presents the perfect opportunity to give your little one a fun science lesson. CREATES A RELAXING EFFECT: The fascinating lighting effects and movement of the spinning toys have a soothing effect that can help curb hyperactivity. It makes for a great toy during those afternoons and evenings when you crave some peace and quiet. HIGH QUALITY TOYS: These magnetic gyro wheels dont easily come off, feature well-aligned rails, and are fitted with LEDs that dont prematurely short out. Gyro wheel sticks to the metal track and lights up when you fling it. GREAT GIFT FOR KIDS: These classic toys are that top gift for boys and girls aged 3+ that wont be quickly abandoned after mere hours of use. They make for a great Christmas or birthday gift and are perfectly-sized to be a memorable stocking stuffer.