The PlanToys Wautomobile is a semi-circular-shaped car that comes with colored water on the inside, with the option of red, blue, or yellow. Children will enjoy rolling the wautomobile around and learning about new colors and color theory by putting the cars adjacent to one another to allow light to pass through and create new colors. Which color will you choose for your wautomobile? Roll these colorful cars across various surfaces (indoors and outdoors!) and watch the water inside move, shake, and adjust. Place the cars together and look through them to see the world in new colors Stimulates the imagination and invites a child to explore their creativity through color recognition, color manipulation and outdoor play Sustainably made in Thailand with chemical-free rubberwood trees, formaldehyde-free glues, organic pigments, and water-based dyes.