Some, who have had early access to the Micro Bit, have come up with amazing projects - like the Yorkshire school that sent one up 32km (20 miles) on a balloon bringing back pictures of its journey to the fringes of space.

But, amid all the excitement from the young people getting a new toy, this is where the serious stuff starts. Big claims have been made for how this project can change the way children learn about and engage with technology. Now, it's up to teachers to make that happen.