I really like the Mathtub.
Bubblemath is my second choice

Heidi Anderson
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On Thu, 6 Jun 1996, Rubideau wrote:

> We are working on a series of exhibits funded by the National Science
> Foundation. They series of called "Mathmagical Toys" and each is intended
> to connect a toy with one or more mathematical ideas.
>
> We've engineered a soap bubble machine that makes a stream of 1' bubbles
> at about 2 second intervals. We are going to let them drop about 13 feet
> into a very large circular catch tray. Visitors can try to pop or deform
> the bubbles with two air vortex guns.
>
> We interpret the bubbles mainly as examples of minimal surfaces. We also
> mention interference effects and vortexes.
>
> This exhibit is the fourth in a series. Each exhibit unit has a subtitle
> and a title, with the title being either a toy or suggestive of a possible
> toy or suggestive of a place that kids associate with play. The subtitle
> echoes that and emphasizes the main math point. The subtitle is set: "Soap
> Bubble Geometry". The contenders for the main title are below. Please pick
> one and reply or e-mail me. We're in a rush, as ever, since the title we
> had chosen was booed down by an angry mob.
>
> Bubble Mania
> The Bubble Factory
> The Bubble Zone
> Bubble Party
> Bubble Invaders
> The Bubble-ator or Bubblator
> Bubble Blaster
> Bubblemaker or bub-bub-Bubblemaker
> Bubblemath
> The Mathtub
>