I can relate to the zit popping thing. I also get these things on my arms that are like zits, but aren’t, and if I am stuck in a situation that doesn’t provide enough stimulation, I will invariably end up searching my arms for something to pop.
As far as bubble wrap goes, there’s always the think geek electronic bubble wrap keychain:
http://www.thinkgeek.com/geektoys/japanfan/982f/
