SANTA ANA, Calif.—“Oh my gosh!” a child said while jumping out of his seat in an attempt to grab a laser shining through thousands of bubbles. “I can’t even believe this!” Children and guardians watched Discovery Cube’s Bubblefest March 31 performed by world-renowned bubble artist Melody Yang, 31, who has traveled the world displaying a vibrant display of bubble tricks mixed with bright and colorful lasers and fog machines. Two days in, shows are selling out as people line up for a chance to see her perform. “We didn’t know what to expect in terms of demand having the show returning to its historical timeslot of March to April. It’s been really great in that everybody’s ready to get out with their families again and enjoy that togetherness and then see the show,” Ryan LoRusso, director of marketing of Santa Ana’s Discovery Cube, told The Epoch Times. “We’ve already sold-out …