I am not in the details of this -- my understanding is that Lego has a version of the WeDo software that runs on Linux, not sure about licensing
http://blog.laptop.org/2011/02/12/lego-wedo-oloc-peru/
In any case, my current push is to ensure as many classroom-level robotics kits work with a foss toolchain on Fedora, out-of-the-box :-)
m
robotics@lists.fedoraproject.org