Where to buy a hot glue gun?

I am looking to exact revenge on my youth pastor for not returning any of my phone calls this afternoon. Where is a good place in the greater Philadelphia metropolitan area to buy a hot glue gun. I am going to hot glue a flag of Barbados to his car. My youth pastor hates Barbados, because they are crap at football. So, I want everyone in South Philly to say "Hey, that guy is from Barbados, let's egg his house and have our way with him." Ideally in unison. Also, is Pat's the best place to get a Hot Cheese Philadelphia Sandwich, or should I go to McDonald's?