The origins of April Fools' day are a mystery... to me. Because I didn't look it up. April Fools' day should be the National Magic Holiday! Pranks are hard to get right. If you don't go far enough it's not funny. If you go too far people get hurt either physically or emotionally. A rubber band on the kitchen sink sprayer to make it squirt someone when they go to use the sink is an old favorite. Or putting a piece of tape over the optical sensor on the underside of a computer