Natalie Schuler and her parents, Dave and Sarah, take part in the Mad Scientist Lib-Lab drop-in activity available Tuesday through Saturday until Aug. 30 at the Prendergast Library, 509 Cherry St., Jamestown. The Family Experi-Event is tied into Fizz! Boom! Read!, this year's science-related Summer Reading theme. Subjects include color, gears, and magnification. For information, call 484-7135.