Aerobie Skylighter Disc (27R12) Light up your disc game with the Aerobie Skylighter Disc, a flying disc with super-bright LED lights inside! Sonically welded light module for added durability. Thin design and spoiler rim for accurate, longer flights. Cushioned edge for better grip and softer catches and a wide 12-inch diameter for greater stability. Includes 2 long-life CR2032 (3V) Lithium Coin Cell batteries. Batteries are replaceable.