Thankfully unrelated to Nick Cannon–I’m sorry, Mr. Carey–the Pocket Artillery Mini Cannon ($29) holds its own as a neat little keepsake, but it turns from cute trinket to Lego-town-destroyer once you light the fuse. Yes, this little cannon shoots actual BBs, and BBs hurt (skin and feelings). Because of that fact, we’re gonna go ahead and whip out the rarely used “adult supervision advised” cliché here.