1 For Freaking Out Your Friends: IntroWizard Bloody Bath Mat Scare the snot out of your roommate with this color-changing bath mat. It reacts to water, so when they hop out of the shower and put their feet on it, their footprints will leave “bloody” imprints right before their eyes. 2 Floating Candles I’m always on the lookout for quick and easy Halloween decor. The floating candles in Harry Potter in the Great Hall are regal, but they can also be a tad spooky! I had to have some. They would be perfect for Halloween, or for a Harry Potter-themed party!...