What is the easiest way to earn a lot of bear bills on build a bear ville

well i dont have to earn any more because i have 100,000 bear bills but this is a trick 1 do the nature walk 2 go to the secret hidding place in the pawforming arts and there a box its a game give you 200 bear bills 3 go to sport plex click on panda and check all the boxes 4 when you are finish with the nature walk go back where you started and click 5 you get 500 bear bills by doing all this (this can only be done once a day)