Then there was some wiring. It adds a lot of weight, and I really loved one of the on/off switches in Physical Computing. However, I noticed a flickering light, which doing fixes turned into two lights that were off, and fixes to that became all the lights burning out. It's a good reason to not use conductive tape in your design so close to the wiring. Honestly, that one's on me, but I could also replace it all with a bit of elbow grease. Silver lining: I had everything documented. As they say in Architecture - "Document everything"