Everyone’s fave used book store, Bookmans Entertainment Exchange, hosts a cornucopia of fun-filled, family-friendly events all summer long. From mad science experiments to Lego build-offs. From meeting life-size mermaids and pirates as you sail the seven seas, to exciting storytelling of puppets, magic and more, Bookmans is the place to be for educational, interactive and fun events. Check out what’s in store at your local Bookmans with Free Summer Kids Events. In Tucson: Wednesdays at 10am at Bookmans East ; Thursdays at 10am at Bookmans Midtown ; Fridays at 10am at Bookmans Northwest .