The Bubble Bus was a big hit at the recent . Hundreds of pictures were taken that day, including the one with this article.
What we need is a description of what's going on here and we're willing to buy lunch for the person who comes up with the most clever and creative caption for the photo.
Last week's winner was Charmaine Puttman for writing "See, if you hold air in your cheeks you can stay up longer!" for the .
So get in those creative captions for our weekly photo and maybe win a free lunch. Use the comments button below to send us your entry.