LARGE CAPACITY: The Black Automatic Bubble Machine has a large reservoir up to 380mL, an upgraded motor and 8 rotating bubble wands, so it is able to run for 30 minutes and produce more than 3000 bubbles per minute. Two speed options, depending on your needs. This automatic bubble maker is sure to bring lots of bubble fun for the whole familyPortable Design: Enjoy bubble fun anytime, anywhere This professional bubble maker comes with a handle, which is lightweight and easy to carry. It can be connected to USB power or run on 4 AA batteries (not included), making it easy to use in your home, yard, garden, or anywhere you want.EASY TO USE AND STORAGE: You can create tons of air bubbles in seconds. Just place the bubble maker toy on a flat surface, add some bubble liquid, turn it on, and have fun The bubble maker has a solid, leak-proof base to avoid being knocked over. After use, pour off any remaining liquid, rinse well, and dry easily for storage.Wide range of occasions: Of course, bubbles are fun for all ages. This professional automatic bubble machine is designed for kids and families to add surprise and vibrancy to any event, such as birthdays, weddings, proms, shows, picnics, holidays and more. This practical bubble maker is also a great gift for kids.SAFE MATERIALS: This bubble maker is made with a durable ABS plastic case that prevents rust while making it lighter and easier to move. The bubble maker is 100% non-toxic and safe to use around small children. Its big bubble wand makes tons of big, fast-rising bubbles that will shock and delight everyone