Yes, these are real. No, I haven’t tried them. I just found them perusing a few of my favorite deal sites. They’re inexpensive, so buy ’em and report back to me.
Instant Snow! Seriously… just add water.
Instant underwear! I feel like I need to stress this again… just add water. In a pinch, I suppose you could use your own, uh, water source. To quote the site, “… it’s better to have damp underpants, than no underpants at all!”