Alternatively, you can use a food they like. If they really like ice cream, eat all their ice-cream, and leave the empty container in the freezer.
If they accuse you of hiding their stuff, deny it! If you act like you have no idea what’s going on either they might become even more confused.
When they open up their laptop at school people will see their new background.
If you know good pranks, write them in a notebook and keep it in a place no one would look such as in your desk, under a pillow, or in a box. Keep your ideas secret until you decide to act.
