Disclaimer: I own nothing.
A/N: for the First and Day Of challenges. Because I have this thing about trying to add humor to sick-at-heartxx's challenges (LONG story), I claimed Fred and George's first prank. As always, please review.
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It was an accident, at least it seemed so at first. Fred and George were eight years old and bored out of their minds, which everyone knew was a volatile and potentially disastrous circumstance. Things got much more interesting, though, when the pair spotted one of the gnomes their mother was always trying to get rid of and got an idea.
"Hey, George, wonder what Percy would do if we set a gnome loose in his room," Fred said, smirking as much as an eight-year-old could.
"It'd be cool," George replied, "except for the fact that Mum would kill us."
"Yeah, she does say we'll be the death of her at the rate we're going," Fred smirked. "I don't get that, though - it's not like we've even done anything"
"Yet," George added. "She thinks we've got the potential to blow this place to smithereens - at least that's what I heard her say to someone."
"I think I have the perfect idea," Fred said, his face nearly glowing with excitement. "If we can find a few things, maybe we could monkey with the holiday lights."
"It's April, so it'll definitely be a jolt for everyone else. Mum thinks the lights are in the attic, where they're supposed to be, but I remember seeing Bill stash them on top of Percy's wardrobe."
"Which means we can't get them, because to get in there we've got to get past Percy. If he finds out what we're planning, Mum really is going to kill us."
"Maybe the gnome idea isn't half bad."
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The aftermath of sticking a hatbox with a gnome inside in Percy's bedroom was hysterical. Once it was let out of the box, it ran for its life - everywhere but towards the outside doors. While the rest of the family ran around the house chasing the gnome, Fred and George snuck into Percy's bedroom and 'borrowed' the holiday lights. Which they never actually used for anything - until they decided to test the existence of aliens three years later. That, however, is another story, although the holiday-light 'Aliens Land Here' sign on the lawn became the wrong kind of legend.