1x ATMEGA328P (needs bootloader, we can burn it) or from RS
1x 20mhz Crystal or RS
2x 22pF Caps
1x 5v Regulator - TO-92
1x RGB LED
2x 10uF Caps
1x 10K Ohm Resistor
5x 2/4 pin buttons (pref 4 pin -- they fit better)
12V batteries
Battery holders (spring and terminal)