They are coins that depict a picture of the Goofy Goober mascot on the front and a blue outlined picture of Goofy Goober's Ice Cream Party Boat on the back. Also on the front side reads in red letters "In Goofy We Trust" above Goofy Goober himself.
Role in video game
They are awards granted by Mindy to the player after they complete a level, mini-game, or task. Certain amounts of the tokens are required to unlock levels or be granted attacks.