Every Saturday, Raina goes to her grandma's house and they make lemonade together. But it's not just any lemonade; it's rainbow lemonade! Using freshly squeezed lemons, sugar, water, and food coloring, Raina mixes up cups of lemonade in every shade of the rainbow and serves them to friends and neighbors. She loves to watch the colors mix as she pours the colorful drinks. In Raina's Rainbow Lemonade, readers will learn the basics of color theory as well as the value of serving the community as they join Raina and Grandma for a fun-filled day of making rainbow lemonade.