"Girls seem to like it, some seeing the Micro Bit as an opportunity to create a kind of smart jewellery through code. Given that every single attempt to get them to program has utterly failed, this is really worth trying."
COUGH!
Yes, that would certainly be one approach that could be tried. Or you _could_ give then free reign to something really basic like, say, a VIC-20, the getting started tutorials and the detailed reference guide then leave them to it. It worked for me.
Rosie