Sand bottle art is a creative craft that involves layering colored sand in a glass bottle to create beautiful designs. Artists use different colors of sand to form patterns, shapes, or even images, making each piece unique. The process is simple and can be enjoyed by people of all ages. To create sand bottle art, you typically need a clear glass bottle, colored sand, and a funnel. The sand is poured into the bottle in various layers, often using tools like sticks or spoons to help shape the design. This art form is popular for home decor and as personalized gifts.