The calliope mini is similiar to the bbc microbit and distributed to grade schoolers in germany. It is sponsored by “Bundesministerium für Wirtschaft und Energie”, the German “Federal Ministry for Economic Affairs and Energy”.
More info here: https://calliope.cc/en/ueber-mini
It is an mbed-device using an NXP KL26z and like the microbit it has:
These additional features make it even more interesting for makers: