Since she got in on the adult coloring book craze two years ago, Cheri Brown has spent more than $400 on 50 books holding intricate sketches that she embellishes with Sharpies, colored pencils and gel ...

It’s a scenario familiar to so many parents: kids being glued to the internet or apps on their phones. “They’re on it too often,” said Grace Vinci, a grandmother of six young kids. “I think especially ...