Press Photo/Katy BatdorffChild's play, 2.0: Explorer Elementary student Katelyn Rogers, 10, learns how to use Kodu, a visual programming language that allows users to design and test video games ...

Mountain View Elementary fourth grader Zachary Skaggs, 9, tries to figure out why his robot is stuck at the Ontario, Calif. school Wednesday, Jan. 23, 2018.