Arduino UNO with shields
12 - Multiple Sensors (never built by us)
13 - Crazy Poties (never built by Tim)
14 - TetrisCache (never built by us)
15 - Wire Loop Game (the last and best one, we built together)
16 - Frequency (never built by us)
17 - Jump & Run (never built by us)
18 - Birduino (never built by us)
19 - Casino (never built by us)
20 - Time Stamp (never built by us)