Note: This page is based on an assumption referencing Animal Crossing: New Leaf since the Animal Crossing mobile game is not released yet. Will be updated once the game gets available!
Date
Every Sunday in August
Time
7pm - 0am
Location
The plaza of your town
Every Sunday in August from 7:00PM till midnight, fireworks will appear in the sky. You can purchase sparkler for 120 Bells in Nookling store. Isabelle will be in your town plaza hosting the event. Talk to her and she’ll give you boppers and fountain fireworks. Crazy Redd is present selling cookie with a price ticket for 500 Bells each.
Items from Isabelle
Isabelle will hand you a bopper. Its a cute headgear you can wear even after the show.
In order for you to obtain these items, you'll need to pay 500 Bells to Redd for a piece of cookie with prize ticket. You have to exchange the ticket within the time period only. Prizes are random. You might get the same item for each cookie.