Weekly recreational math meetup every Monday 7-9 at 1026 Madison.
First meeting 3/28: Mathematical Balloon Twisting. Learn how to turn these into polyhedra like this
More examples here. Hands-on fun for the whole family. Balloons and pumps will be supplied.
Turnout was light, but everyone learned some basic balloon twisting and we created a full set of Platonic solids.
Next week: Möbius strips!