Full the cistern of your toilet seat with a shampoo or liquid soap

Tie one end of a spool of ribbon to your victims doorknob with a note stating, "Follow the Ribbon." Then wind the ribbon all around their room, bed, desk, even all over the house. At the ending point.......

Place small water balloons in the toe your victims' shoes in such a manner so that it's not visible in the first glance. They.......

Put some bubble wrap in front of or behind the tyres of the victim's car. When they back out.......

Replace the inside pages of today's newspaper .......

Replace the winter lotion in your p.......

Record the morning news telecast of the rainy day when schools were closed due to heavy down p.......