The activity book and ruler deliver the message to the children, while the wheel teaches parents about water conservation around the home. Value kit contains Use Water Wisely Wheel #82344, Our World of Water Activity Book #35550, 6-inch Use Water Wisely Ruler #84435, all in a bag with conservation tips. All items are imprinted with your logo, and all items are assembled into the bags for you. Each component has different color options; we will call you to discuss.