It's been around for awhile, but we're guessing you don't own one (or if you do, why have you not blogged about it yet??). This Christmas, give someone you love the gift of gravity-free sex.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.