For years children were able to celebrate 万圣节前夕 in the traditional way of going for house to house saying "Trick 或者 Treat". Knowing that there would always be a treat. However times have changed, in many areas it is no longer to practice this tradition.
With the loss of one tradition, makes room for a new one. Well OK may be not new, but 更多 common...

The 万圣节前夕 Party! Here's some cool ideas to decorate your room!
Let's create the cutest atmosphere of an Haunted Room, a great place to sleep if 你 are 《勇敢传说》 enough to be having a slumber party.
Cover windows with blankets, garbage bags 或者 foil to block light.
Remove breakables!!!!!

Cover furniture with cheap black fabric. This serves two purposes: one it looks cool and most important it protects the furniture!

Floating Ghosts - Cover helium filled balloons with pieces of white cloth. Old sheets are great! Draw eyes with black marker. 你 can also do ghosts 由 simply using white balloons and drawing the face directly on them. Use little pumpkins for weights.

Wax Paper Ghosts - Pull off a large piece of wax paper, bunch up into a ball. Tear off two to three 更多 pieces, drape over first piece, tie with string, yarn, rubber band... under ball. This will make the head. Draw eyes with black marker. Hang from ceiling with fishing line.

蜘蛛 Webs - Pull cotton batting apart and drape across furniture and hang in door ways. Attach little plastic spiders.

Fog - Place dry ice in a container of warm water. Rectangle 花 boxed are great, because of their shape and size. Simply set on floor 下一个 to the wall. Warning keep small children away from ice.