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. FIDGET TOY: The fascinating lighting effects and movement create a soothing effect that can help curb hyperactivity. These retro-inspired spinning toys encourage enhanced motor skills and valuable hand exercise during play time. GREAT GIFT FOR KIDS: These classic toys are that top gift for boys and girls aged 5and that wont be quickly abandoned to the toy chest after mere hours of use. They make for a cool Christmas or birthday gift and are perfectly-sized to be a memorable stocking stuffer. HOURS OF TOTAL FUN: The light up toys for kids combine physics and fun to make for hours of engaging play. Pack: 1.The 1 option: This set includes: 1xgyro wheel and 1xtwister that both produce a mesmerizing light show.(Coin cell batteries required) 2.The 2 option: This set includes: 3xgyro wheel and 3xtwister that both produce a mesmerizing light show.(Coin cell batteries required)