ExPLORE (Experiment, Play, Learn, Observe, Read, Examine) is a series of monthly hands-on science workshops for children in grades 4-6, covering a wide variety of topics.

Children in grades 4-6 are invited to drop in to the Wollaston Branch on Wednesday, April 19th anytime from 2:00 -8:00 for the special school vacation week event -- Chain Reaction. Build a Rube Goldberg machine using odds and ends to explore cause and effect in a chain reaction.