+1 for Scratch, especially if they are younger. My son (when he was 8) really loved working through the Super Scratch Programming Adventure book (https://www.nostarch.com/scratch).

All Web Dev/Design related:

The Big Web Show - http://www.muleradio.net/thebigwebshow/

Shop Talk Show - http://shoptalkshow.com/

Web Friends - http://webfriends.io/

Let's Make Mistakes - http://www.muleradio.net/mistakes/