Check out this floating foam letter machine that was shown off at last ... The Flogos machine consists of a helium and compressed air bubble generator positioned below a custom stencil cutout.

"Follow The King of Random for more exciting experiments, life hacks, and creative science projects. From crazy builds to fun ...

The cloth gets sprayed with soap by the sprinklers and the air from the fan then blows the bubbles. There’s no video of this project so if you want to see it in action this other diy foam ...