Ron, already nicking a cookie from the plate, surveyed their handiwork. "Blimey, will you look at that? Staying up perfectly. Well done with the sticking charm, mate."
He gave Leila a wink when she took two cookies from the plate and scampered away with a giggle. "I dunno," he said around half the cookie, "don't the lights go on first? Seem to remember Dad cursing something awful over them while Mum nattered at him that he was putting them up unevenly."