Australians will join together with Make-A-Wish charities around the world for this years World Wish Day.
There are a number of things you can do, like host an event or donate funds, to show your support for the foundation on World Wish Day.
The Make-A-Wish Foundation has worked with celebrities including Nicole Kidman, Jenson Button, Anna Paquin and Stephen Moyer, Beyonce, Brett Lee, Mariah Carey and the Jonas Brothers to help hundreds of thousands of wishes come true for sick and disadvantaged kids all over the world.
World Wish Day is on 29 April.