With the Kano and Screen kits built, I've connected the Kano to wifi and downloaded the updates for the Kano OS. I'll have to test to see if Scratch GPIO is supported on the Kano computer. If not I've also downloaded scratchgpio7 and will install if necessary.

Scratch GPIO instructions: https://www.raspberrypi.org/documentation/usage/scratch/gpio/README.md

Scratch GPIO 7: http://simplesi.net/scratchgpio/scratch-raspberrypi-gpio/