If you cannot find something here that can be used to Survive a major incident, then you really need to go back to school. http://scientificsonline.com/Default.asp?bhcd2=1178917492
I haven't seen an Edmund catolog since I was in 6th. grade and a member of a secret agent club. But I'm still not at liberty to discuss anything more about that. Cool stuff though.
Along the same lines, but much more along the idea of pranks and jokes. Archie McPhee: http://www.mcphee.com/