[rihegher]

Thymio is a good starting point especially if your kids like to build things with Lego blocks since you can attached some on it. https://thymio.org

[blacksmith_tb]

That's interesting, form-factor is close to the Edison[1] which I have been looking at also, but the Thymio has some extra sensors, I see. Price is steep though!

1: https://meetedison.com/