The Lux Spectralis is a deluxe RGB (red, green and blue) LED (light emitting diode) blinky that you can build. A small microcontroller () is preprogrammed with many different fun display modes (pulse in/out, slowly changing between colors, etc) that you can select with the pushbutton. Soldering is required. You will need a soldering iron, some solder and a pair of wire cutters to assemble the kit. You will also need 3 AAA batteries. Project description, more information and ordering can be found at https://www.sparkfun.com/products/9287 Assembly Instructions: http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Kits/Lux Spectralis 2 Assembly Instructions.pdf Source Code: http://www.sparkfun.com/datasheets/Kits/LuxSpectralis.c