How can l set get 3 point to open the door

Hello, I design a language game for students, they must finish 3 task to get 3 points for open the door , each task I need crate one column let me easy manage. So I set this :
But seem doesn’t work. What wong is it? Pls help, Thx

Your code does work but only if you click the same object three times.
The variable “point” is not global. In other words, each CoBlocks tab has a “point” variable that can’t be seen or changed by other CoBlocks tabs.

Have a look…