Here’s an idea for your haunted house: paint the walls with laundry detergent! Invisible under regular light, this technique could be used to make a normal room super spooky by switching to blacklight. And it washes off. – Link.
DIY HALLOWEEN from MAKE & CRAFT!
It’s here!! DIY HALLOWEEN 2007 from the editors of MAKE and CRAFT
brings you 40-plus DIY projects for the holiday that’s made for
makers. From the craftiest costumes to amazing animated props and the
latest in computer-controlled haunted house effects – Link.