The Challenge: Build your own Hyperboloid
Materials needed: Skewers, Tiny rubber bands (I was able to get skewers at the grocery store and polybands from Target)
This is one of many brilliant things at Makingmathvisible.com/workshops
Directions are here: http://makingmathvisible.com/Hyperboloid/Hyperboloid.html
I’ll definitely be using some of their other stuff, in days to come, but you can play whenever you like!