STEM 3 Billy Goats Gruff Bridge Challenge
Thursday July 20, 2017
The three billy goats need your help crossing a river! Come build bridges with us, and then test to see just how many billy goats your bridge can hold without breaking!
All Ages with caregiver. Registration required & will open on June 28th. 30 spaces available.
Click here to go to the Derry Public Library calendar.