Magical water that glows in 7 colors for a moody look. Features: When submerged the product in water, it will light up to 7 colors while slowly changing the color for about 72 hours. Freeze them in the freezer to make ice cocktails instead of ice. Add it to a vase to make your room look stylish. Use it in the pool, in the bath, in the aquarium, or anywhere you have water. This product is not a food. Non-toxic, but not edible. This product has a built-in battery, but it is a disposable product that cannot be replaced. Discard as non-flammable garbage after use.