Mowing grass with this great mower with Bublifuk will become a real fun for you! Pour the bubble to a predetermined place and get it! Millions of small bubbles get into the space, plus music plays! Operation is on 3 AA batteries, not included. The bubbles are created thanks to a special liquid that is not included in the package. You can ride with the mower even without the use of batteries, in which case it only makes mechanical sound.