Before Max and Ruby were preschoolers, they were Baby Max and Ruby. The popular bunny siblings are back in another board books as their baby selves. In Sandbox, Max and Ruby mix delectable treats out of bubbles, berries, birdseed, and sand. With eye-catching novelty elements, these irresistible board books will introduce the very youngest readers to the beloved bunny pair, who star in their own show on Nick Jr. and Noggin.