The Edison Arts Society is offering a six-week course called Dynamic Watercolors beginning April 9 and running through June 4. Artist Ray Skibinski will instruct the class, which will meet on most Mondays from 12:30 to 3 p.m. in the main meeting room of the North Edison Library, 777 Grove Ave., Edison. Classes will not be held on April 16 and May 7 due to classroom unavailability, or on May 28 in observance of Memorial Day. Cost is $135, with a 15 percent discount for EAS members and senior citizens. To register or for more information, call the arts society at (908) 753-2787.