Play Visions introduces CyberFire, the most amazing illumination concept ever to hit the market! Utilizing a very special retro reflective fabric and a pair of LED glasses within a specific spectrum range, one can illuminate these objects not just during the night, but even in broad daylight! But the most amazing feature of this is that only the participants wearing the glasses can see the effects. without the CyberFire LED glasses, you will see no illumination effects. The balls look like they are on fire, up to almost 200 feet away!You can also make the balls change color from green to red with the simple flick of a switch. Set includes one hi bounce ball and a pair of CyberFire LED glasses. Watch the ball self-illuminate as you follow its path with your CyberFire LED glasses. WARNING HAZARD: Small parts. Not for children under 3 years. Recommended for ages 5 & UP.