#197 Marshmallow test
Set by Zoe Mensch
We bought some marshmallows to toast on the fire, but my daughter had other ideas. She started building shapes by joining marshmallows together with cocktail sticks.
In one effort, she put four marshmallows on the table and, keeping them on the surface, joined them with six cocktail sticks, as shown here. To do this, she had to break three of the sticks to the same shorter length (shown by the dotted lines).
“Very neat,” I thought, “though she wouldn’t have had to shorten any sticks if she’d arranged them as a pyramid.” …