The Apple
Get a few gummy worms and carefully poke them into fresh fruit, particularly apples. Give mum or dad a wormy apple and leave a few apples on the table for friends and family to munch on.
Superglue
Superglue some coins to the pavement or anywhere that has a lot of people passing by. Make sure it's an appropriate place, then watch people break their nails trying to pocket the coins.
Fooling Your Teacher
Take a Woopie cushion to school or college and put it on the teachers chair!
The Early Morning Wake Up Call
Get a bunch of alarm clocks, set them to go off at very early times in the morning and hide them all around different places in the house to annoy the person of your choice!
The Milk
If you buy milk that comes in a cardboard container, open it up, get some food colouring and put a few drops in. Then sit back and watch your victim get a shock!
The Hairdryer
Put baby powder inside your victims hairdryer and watch them turn their hair white as they dry their hair!
Eggs
Glue eggs to the carton then ask for eggs in the morning. Watch and laugh as the eggs break in your victims hands as they try to get them out of the box.
The Elastic Band
Get an elastic band and slip it over the lever on the spray handle so that when someone turns the tap on the sink/bath on, it will spray them in the face!
Fart Spray
Get some fart spray from the joke shop then spray your victims bathroom before they need the toilet then laugh as they struggle to go to the toilet without being sick at the smell!
Faces
When your victims asleep sneak into their room and draw on their eyebrows or shave them off, and draw a moustache on their face. Make sure your there when they look in the mirror!