When Aria see's a magnificent rainbow right after a rain storm one afternoon at the park, all she can think about is painting a picture of it to show her mom. But what will Aria do when she finds out that she only has four colors to paint with.With the help of her little brother Christian and her cousin Tyler, can Aria figure out how to make the colors she will need to paint the lovely rainbow, or will her picture be half done? Can Aria figure out what colors to mix to make all the colors of the rainbow? Find out in this colorful adventure filled with discovery and fun!