Product Description Product name: Gatling bubble machine Size: 19*9*7cm Number of holes: 8 Power supply: AAA batteries. Innovative bubble gun design: The bubble rocket launcher has 8 bubble holes and blow thousands of colorful bubbles every minute. Notes: No sparkling water Dimensions may vary slightly due to manual measurements. Colors may vary slightly due to different monitors and production. How to make sparkling water? 1. Pour 1/2 cups of dish soap into a large mug. 2. Add 1/2 cups of water to the dish soap in the cup. 3. Measure out 2 teaspoons of sugar and add it to the soap/water mixture. 4. Gently stir the mixture. Get out and play with bubbles! If you don't use it, you can pour it into an airtight container.