Halloween Switch Witch! by Halloween Switch Witch! The Switch Witch comes on halloween night, after your children go to sleep. If your children want the Switch Witch to come, they leave their candy out to be found by the Switch Witch in turn the Switch Witch leaves... A toy that your child really wants! This way they don't eat all that candy and rot their teeth. You then Can donate the candy or hide it away and use as treats or snacks In lunches.