Fred and George made their way down to the kitchens before dinner. The house elfs just assumed that they were coming to visit and get sweets. But while George distracted the elfs, Fred made his way over to the food for tonights dinner. He slipped their potion into it unseen and made his way back over to his twin. He smiled and joked with the elfs for a bit, before the two boys made their way back up to the Gryffindor tower.
"Did you do it?" George asked his brother.
"Yes." Fred laughed. "Did you remember to steal a couple of bras from Ginny?" George nodded and they both laughed. "This is going to be the best prank we have ever pulled!" Fred grinned as they entered the Gryffindor tower.