Netflix has announced it will develop an educational family competition show with content creator Mark Rober, its second deal in a year with a popular children’s YouTuber, as the streamer leans into creating new family and kid-friendly content as a proven way to retain subscribers and boost engagement.

YouTube creator Mark Rober is adding another platform to his already large media presence.

Mark Rober, the former NASA engineer turned YouTube creator, is heading to Netflix. Rober, who has over 68M subscribers, is working on a new competition series for the streamer and will also bring some of his existing content,