Do you know what a phenakistoscope is? If yes, you're rolling your eyes at the question. If not, here is your chance to find out.
The Boise Public Library branches are not strangers to unique and interesting activities, and with this one, there's more than meets the eye. At The Science of Seeing, kids ages 6-12 can check out various optical illusions, as well as look through the aforementioned device to see mind-bending displays of light and color.
4 p.m. FREE. Library at Collister, 4724 W. State St., Boise, 208-562-4995, boisepubliclibrary.org.