3 * 1 Arduino(tm) board + USB Cable (SainSmart: 20-011-110: ~$14/10)
4 * 1 Mini BreadBoard (Ebay: ~$3/10)
5 * 1 Breadboard cables (Ebay: ~$4/10)
6 * 1 4in x 5in peg board to mount arduino + miniboard
7 * 4 small squares of double sided tape
8 * 3 #4-40 Phillips 1/2" flat-head screws