LED FLYING DISC - Innovative design for super-bright illumination. Lights flash and change colors. COOL DESIGN - Kids will love the glow in the dark feature and the fun of playing catch and trick throws. ON/OFF SWITCH - Works with LED flashing lights or with the lights turned off. Handy on/off switch makes it a snap. BOLD AND BRIGHT SIZED FOR KIDS - This min disc measures 8 inches in diameter. The perfect size for boys and girls of all ages.  GREAT FOR NIGHT OR DAYTIME USE - The flashing, color-changing, lights are easily seen during the day and at night. Button cell batteries are included..