Each island of the dimensions has a parkour that you can complete to get gold.
There are a total of 15 different parkour challenges you can complete on your islands.
Each Dimension will have 5 islands and 5 parkour challenges.
You can find information on Parkour Rewards on the islands page!
Also, here is a community-made playlist of the Sweetland dimension's parkours!
https://www.youtube.com/playlist?list=PLo8965tEOpsOmix2H66qpYPnJHDRukf29