Enjoy hours of nighttime fun with the Toysmith Nightzone Light Up Disc. This competition-grade weight (175 grams), aerodynamic disc is made of tough, flexible plastic, and features brightly-glowing LEDs for throwing at night. Ideal for intense play or casual family fun, the 10-inch diameter disc features more than 20 hours of LED glow. Requires 2 CR2032 batteries (included). Imported Material & Care Plastic Spot clean only