The SPARK Museum of Electrical Invention, 1312 Bay St., hosts a grand weekend from 11 a.m. to 9 p.m. Saturday and 11 a.m. to 6 p.m. Sunday, Oct. 13-14, to unveil its new electrical extravaganza show and to celebrate its name change (from the American Museum of Radio and Electricity).
There will be free admission to the galleries and to special programs, including ones about Ben Franklin, Thomas Edison, and the theremin, the first electronic musical instrument.
Admission to the electrical extravaganza, highlighted by the 4 million-volt MegaZapper, is $5, at noon, 3 and 6 p.m. both days, and also at 9 p.m. Saturday. Dress as a mad scientist for free admission to the 6 p.m. show.
Details: sparkmuseum.org, 360-738-3886.