Why specifically do you want them to design and build for the web? Seems like a tall order for 7 to 9 year olds. A lot depends on how much time and interest t

Why specifically do you want them to design and build for the web? Seems like a tall order for 7 to 9 year olds. A lot depends on how much time and interest they have. With some kids, you show them a few things and act as a resource to them and they are hooked and off to the races. With limited time (many kids are overscheduled), you need to adjust your approach accordingly. I am a big advocate of Scratch as a first language. The payoff is very quick, "syntax errors" and fussiness over indents, capitalization, and punctuation are pretty much nonexistent, and there is a vibrant community with millions of examples to inspire and "remix". There are a surprising number of online edutainment/learn to code services that flat out don't work for 7 - 9 year olds because the software developer threw up their hands at the prospect of complying with COPPA and just set their terms to be "must be 13 years or older". I think it is a bad start to setting a child's moral compass to tell them "just lie about your age to access this service".