Your office White Elephant is next week and you completely forgot. Plus, last year, you bought something at CVS and people laughed when your coworker opened it. DON'T BE THAT GUY. Here is a list of 40 cool gifts that make great items for your office swap. All are available on Amazon with 2-day Prime Shipping. You're welcome. Cactus HumidifierThe winter is dry and full of terror. Keep this ca…