Night-Flyers are the greatest and most innovative flying discs ever. The secret behind night flyers is their twin LEDs and 8 fibre optic channels creating dazzling effects. The Guru night flyers are durable, water resistant and most of all perform incredibly due to the 180g weight and competition disc shape mould..The Guru game pack gives you the ultimate night sports experience by including two night eyes.\\nYou could go out to a local park in the dead of night, strap on your night eye so your team mate can see you and let the LED and fibre optic technology get to work..Contents:.1 x Light up flying disc \\n2 x Lithium coin-cell batteries \\n1 x Green Night eye (illuminating head/neck bands) with batteries \\n1 x Red Night eye (illuminating head/neck bands) with batteries\\nBoxed Dimensions:.Length - 6cm \\nWidth - 27cm \\nHeight - 29cm