You will need to consider travel costs and times between locations. It's suggested to use a rental car or rideshare services. All locations in this itinerary are within a 10-15 minute drive from each other, so plan accordingly.
If you have more time, you can visit the nearby Cerritos Center for The Performing Arts or Los Cerritos Center for shopping. If you have less time, you can skip lunch at Gatten Sushi or the Oldest Independence Day Celebration Museum. Also, it's suggested to check the opening and closing times for each location before starting the trip.