3 years & up. Play with a glowing streak of light day or night! Turn on the Firevision frames to activate and reveal a glow with a range over 100 feet/30 meters. This Firevision football is engineered to generate spiraling streaks of light when you turn on your Firevision Frames and throw it to a friend. This Microprism Technology will put a glow in your game. This set includes one football with Microprism Technology, 2 pairs of Firevision frames, and instructions.