Group 1:
https://studio.code.org/s/starwarsblocks/stage/1/puzzle/1
Group 2:
https://www.allcancode.com/runmarco
Group 3:
http://lightbot.com/hour-of-code-2015-flash.html
Group 4:
https://scratch.mit.edu/projects/85963232/?tip_bar=hide#editor
Group 5:
A behind-the-scenes look at PVPHS.com
Group 6:
A look at some student projects