Rainbows are visual desserts, you're always happier after you see them. But we don't see them enough! Not with a Pixelstick though. It's a giant stick that has 198 LEDs that can be programmed to display colorful rainbows, 3D cubes, pulsating magic carpets and so on in your light paintings. Basically wave, set your camera to long exposure and create awesomeness.
Awesomeness like this: