See the micro:bit used as an alarm for the secret den in The Dumping Ground and then have a go at the activity. Make an indoor-outdoor thermometer. videoMake an indoor-outdoor thermometer Watch as ...

The deadline for UK primary school teachers to sign up for a free classroom set of 30 micro:bits was Monday 18 December at 5pm. If you didn't register, micro:bits are available to borrow from some ...