Hope this also helps!
Beauty salon- has to be at least 2nd generation and change colors 2 times by eating lemon pie.
Toy town- (2nd generation or higher) be an adult and wear the drum accessory and go to your yard between 7-8 pm
Food town- eat the rice omelet 5 times at the restaurant
tama farm- visit the food town multiple times ( for me it was 7)
Magic land- ( magic version only and generation 3) go outside 7-8 pm
That’s all I know!
For the fairy world, go outside 7- 8 am and have the fairy house background