Set of 2 soap bubbles. Return the liquid portion to the bubbles. Pour the liquid into a container. Dip the stick in the flowing stream, then pull it out and blow or wave it, then the bubbles will begin to build. Twist the liquid part into bubbles Pour the liquid into the tray. Dip into the flowing part with the helicopter, then pull it out and press the button, then the bubbles will start to accumulate and even bubbles in the bubble, and the helicopter will rotate. The toy runs on AA batteries. Batteries are not included with the toy.