Fred and George rounded off the evening with a display of Filibuster fireworks; they filled the kitchen with red and blue stars that bounced from ceiling to wall for at least half an hour.
Dr. Filibuster’s Fabulous Wet-Start No-Heat Fireworks can be purchased in Gambol and Japes Wizarding Joke Shop (CS4). Fred and George famously created their own line of magical fireworks which featured fiery creature which almost seemed to be intelligent.
Speculation: Dedalus Diggle celebrated Voldemort's initial downfall by setting off fireworks, which Muggles reported as shooting stars in a televised weather report.
"Viewers as far apart as Kent, Yorkshire, and Dundee have been phoning in to tell me that instead of that rain I promised yesterday, they've had a downpour of shooting stars! Perhaps people have been celebrating Bonfire Night early--it's not until next week, folks!"