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" The Ultimate Haunted House Control Unit  Eric Wilhelm, president and co-founder of Instructables, describes how to build an incredibly innovative and complex solid-state controller that can manipulate lights, fog, animatronics and sound in a glorious choreographed Halloween production.       Creepy Fingers on Your Tombstone  Fingers reach over the top of a grave branded with your name--and winds make the fingers wiggle.       The 7-Ft-Tall Jack-in-the-Box  Whether or not the audience is afraid of clowns, a 7-ft-tall Jack-in-the-Box is sure to strike fear into the heart of any onlooker.  House Goblin Peepers  These cuddly, hand-sewn goblins are half-cute, half-grotesque--and the perfect addition to any haunted house.  The Talking Skull and Pumpkin Halloween Animatronics  Whether you want your dormant skulls to tell jokes or give a pronounced &amp;quot;Boo!&amp;quot;, here&amp;#039;s your complete guide to the art of animatronics.      Dropping Spider Silhouette  This classic Halloween project is easy to implement and does wonders for the spooky ambience.  Turn a PC into a Magic Mirror  If you have a spare PC and are willing to cut a large hole in your wall (or erect a false one!), this is the ultimate party trick.       An Easy DIY Graveyard Fence  This simple fence is a must-have for any haunted house.   Cemetery Gates  The master&amp;#039;s graveyard fence.  Yarn Spiderwebs  Here is an easy--and less messy and wasteful--alternative to the department store cobwebs. Hologram Illusions  What&amp;#039;s better than a magic mirror? Star Wars-quality holograms.   Make A Cool Hologram Illusion! - Awesome video clips here    Climbing Halloween Skeletons  No, these skeletons don&amp;#039;t actually climb, but they are the most frightening roof decorations around.  Styrofoam Mausoleum  For a backyard graveyard in an hour, turn to styrofoam.  Werewolf Head on the Wall  Combine this project with your animatronics skills (above) for a stylish and scary addition to your walls. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/home/interior-projects/how-to/a4632/4334190/>