by Christie
(Iowa,USA)
If your sister likes to put sugar on her cereal swap the suger and salt so she will put salt on her cereal not knowing :)
Dec 18, 18 02:03 PM
My sister has a PC, and frequently changes her desktop background. So, I change her desktop photo to one that she would never use, or one that she hasn't
Dec 18, 18 02:03 PM
I grabbed a pencil that my sister uses, and put clear nail polish on it. What this does is restrict the lead so that it can't write!
Dec 18, 18 02:02 PM
Put rainbow food dye on the toothbrush then you cover it with a bit of toothpaste wait until your target goes and brushes their teeth...