The Fuze Wheel Writer mounts to a bike's rear wheel spokes and produces twelve different images with bright red LED lights as the wheel spins. One of those images includes a real-time speedometer showing how fast the rider is going. Other images include a flame, skull and crossbones, spider and spiral pattern.

The device is very easy to install and is designed to work with bike wheels 20" and up with standard spoke spacing. Bikes have to be moving at least 10 mph for the images to appear fully. Not only are the images that it creates eye-catching and very cool to look at, but they provide an additional level of safety for anyone riding at night. It would be hard for anyone to miss a bike with these brilliant images flashing in the dark.

Our kid testers - and their parents - were impressed by the Wheel Writer. The speedometer mode was particularly appealing as everyone wanted to see how fast they could really go. For $19.99, this is a terrific value for a very unique addition to any rider's bike.