RGB LED controller board that blinks LED's with random colors and random-ish on/off durations. Also there is a "blink" cycle. Add 12V DC and an toilet paper roll with eyes cut out, and these look like glowing eyes in your bushes for halloween.
Assemble components on PCB. Should be straight forward if you have the eagle schematic and board file. Note, I don't have any pictures of the assembly process as I put these together in Oct 2014, and am documenting the project 3 months later.
Program the board using the built in header. I soldered wires from a MSP430 launchpad programming pins to a 2x3 pin header and held it in place during the short programming process in Code Composer Studio. I had some connection issues (about 4/5 tries) that were resolved simply by slightly changing the angle and/or pressure in which I held the pin header into the programming socket. The socket isn't going to protect you from +/Gnd orientation, so watch that before you apply power.
Cut a segment of RGB light strip and get some big solder blobs built up on the 4 pads (+12V, R, G, B).