Mouse!

But not one to be scared of :). Another long office day meant it needed to be something close at hand for the invention challenge. This couldn't have got closer to my hand. Evolved alot over the years.... https://history-computer.com/computer-mouse-complete-history-of-the-computer-mouse/ Like me it was a product of the 1960's!
Thanks to our host I've found alot out this month.