So what do you think Mister Do Bee was selling??? I was so confused as a child. Didn't he go on to develop three.js?

https://www.youtube.com/watch?v=QDvdSGkN0aU

"Happy Jack says it's time for Romper Room, and time for us to say good morning to Do Bee. And welcome to Romper Room. Do Bee would like you to put on your wings. Put on big Do Bee Wings and then start flying with us all over Romper Room! Come on, flap those wings!"