you have to go to forest of the elves and water the plants then pick them or cutopia and water the plants near poppies house then pick them or cowboy junction and water the plants then pick them or spin flour in cowboy junction
you can get the moon essene at the professors lab. i haven't figured out where to find the bubble essence either
You get it from Sharon's house she has the bubble essence
Somtimes they are found in a couch. You have to jump on a couch in the game.
You can get them at the patios and benches.
you get them from torjiros place.
you get it on the royal academy island
there are many many ways to get the fire essence like the patios
The ski lift where Dean is.
the curio shop
it comes from the DJ booth
It's easy to mine at the royal academy
You Can Rummage From Dressers, Or You Can Go To Cutopia And Mine.