The Aerobie Skylighter Disc lights up at night & offers superior straight line flight than a traditional Frisbee using advanced design & materials. Advanced aerodynamic illuminating design! The Aerobie Skylighter Disc is fitted with powerful LEDs lighting the entire translucent rim & create a spinning lighthouse effect. Skylighter larger image. Skylighter larger image. The stable, accurate flights result from its advanced aerodynamic design which incorporates the patented spoiler rim with a soft rubber edge for comfortable catches. The original Aerobie Superdisc became a favourite shortly after its debut in 1995 because players of all skill levels could throw it well & enjoy its stable, accurate flights. It was developed in response to Superdisc fans clamour for a larger, heavier version. Today, the Superdisc Ultra is the top of the line Aerobie flying disc. The Superdisc Ultras soft rubber edge provides a great grip for strong throws. It also feels soft to catch & does not develop sharp scratches & burrs like a conventional disc when it hits pavement. Floats in water. Skylighter larger image. Skylighter larger image. Skylighter larger image. Skylighter larger image. What the expert says: Youll find the Superdisc Ultra to be the most stable & accurate flying disc on the market & I love the soft edge. Its great for players of all skill levels. Scott Zimmerman. 8 times Overall World & U. S. Frisbee Champion. Throwing Instructions: To make Aerobie discs fly straight, release them level. When people throw a conventional flying disc, they tend to release it sloping downward to compensate for the discs tendency to roll over in flight. With Aerobie discs, this compensation is unnecessary. Instead, throw them level to make them fly straight. You can throw an Aerobie disc sloping to the left if you want it to curve left & sloping to the right if you want it to curve right. Safe Play: Throw an Aerobie disc only to an alert catcher, as you should exercise caution with any thrown object. Play in a clear space so participants will not accidentally trip over or crash into trees, cars, people, or other hazards. Cease play if light is insufficient to cle.