Overview: It is Frog’s birthday, and Duck wants to make him a big, beautiful birthday cake frosted in the colors of the rainbow. Such a cake requires lots of cans of frosting, and Duck learns he can’t just throw cans anywhere—they must be recycled. In WordWorld, recycling means using the letters in a discarded word to make other words, such as can-dle—which is just what Duck needs for Frog’s cake! Build a Word: Candle