Jr. RangerLand Night Sky Water Bottle and Activity Book Item #56998 Click here to buy from our online store 21oz glow-in-the-dark water bottle. Filled with great night sky information and images, this bottle also includes an activity book with drawing pages, crosswords and kid-friendly information to combat light pollution. Available with blue or purple printing and lid. Hand wash only. Ages 4+ Made in the USA. Bottles are BPA free.