Screen Time

Print some "tokens", 1 token = 1 minute. Print in units of 5, 10, 20 and 30 units.

Hand out token for jobs done. 10 tokens morning jobs, cleaning up etc. Token are more valuable than money for children.

You need to set a pin as password to the unlock screen. Once activated cannot uninstall immediately

Set the screen time to the number of tokens taken from the jar.