About this item [Toddlers Bubble Machine] -- This bubble training is integrated by music and lights when blowing bubbles. The lifelike sound of the train whistle, each time you only need to add 30ml of bubble liquid to automatically blow out thousands of bubbles at work, is enough to attract children's attention and enjoy playing for several hours. [360° rotation Automatic Bubble Maker] -- The automatic bubble machine train toy will make children full of curiosity. After the battery is installed, it has two play modes. It can not only blow tens of thousands of bubbles in place, but also rotate 360 degrees and keep moving forward. When encountering obstacles, it will automatically change the direction.Little boys and girls will absolutely love this. [Steam Bubbles Train Shape Design] -- With a large capacity bubble liquid container, The bubble machine is designed to simulate the shape of a steam train. When it blows bubbles, lights up and music rings, it can move freely,children can have fun with the bubble machine for a long time. The toy set come with 2 bottles of bubble solution,5 concentrated bubble solution,you can enjoy the pleasure of bubble blowing with your family, friends, or your pets. [Easy to Install] -- Install 4 x1.5v AA batteries(no include), pour some bubble solution into the bubble machine, press the ON/OFF button to start bubbling. It comes with 1 screwdriver, 2 bottles of bubble solution(60ml),5 concentrated bubble solution. PLEASE NOTE:Add one-third of the bubble liquid each time. Adding too much foam will cause the foam to overflow, which needs to be dried before use！！！ [New Classic Train Bubble Blower Gift] -- Unique train bubble machines can be gifted to kids.this bubble machine will bring a lot of fun, dreamy and romantic bubble atmosphere to children.It will be the best toy gift for kids. also can be an amazing atmosphere makers for any occasion like birthday, Christmas, weddings, parties, etc.