A bike with a Happy Face LED accessory

If you like to ride your bike at night or are just a generally happy person, this LED accessory is certain to brighten up your riding experience. Or at least attract some funny looks.

This LED accessory just clicks onto the wheel of your bike. Pretty simple stuff. In fact, each wheel only has one LED on it. But by means of a microchip, each LED flashes in a strobe-like fashion according to how fast you