The Bubble Machine Professional Automatic is a must-have for any birthday party or baby shower. This indoor bubble machine can create up to 10,000 bubbles per hour, creating a fun and festive atmosphere for children aged 3-4 years old. With its automatic operation, all you need to do is fill it with bubble solution and let the machine do the magic. Perfect for adding a touch of whimsy to any celebration, this bubble machine is sure to be a hit with both kids and adults alike.