50 Worst Gadgets You Can Buy in SkyMall: The Anti-Gift Guide
Magic Showerhead

Now vampire-loving fanatics can live out their fantasies of showering in blood.
Tranquil Sounds Oxygen Bar

Want all the fun and excitement of being hooked up to an oxygen tank, but aren't quite decrepit enough to have one prescribed? Well have I got the gadget for you!
Relax 'N Nap Pillow

All the fun of laying face-down in a gutter, in bed!
Deep Penetrating Light Therapy System

Also makes delicious face waffles!
Vehicle Safeguard Video Recording Camera

Think of it as a vanity camera for car burglars. To steal.
Hidden Litter Box

You Don't Have To Hide This Litter Box! You do, however, have to train your cat to crap in a tiny dark cave. Also, good luck cleaning it.