Design a street with Streetmix.
Streetmix is an website that allows you to design your own street. You can place various roads, sidewalks, public transportation, etc. in your street. I could see students using this to redesign streets in their home town and try to answer problems such as the lack of sidewalks or places to ride your bike.
Each element has a width, and you must fit your street into the width selected.
There is a sign-in option, but it uses Twitter, so young students won’t be able to sign in. Luckily, you can use the site without signing in, student would not be able to save their work. They can still share out their street.