Hit the green flag and then choose what difficulty you want to train with. When you choose your difficulty, Just hit the button at the bottom of the screen to let the game know you are ready. Click the number 1 and the rest of the numbers will be hidden, then you have to click where the next number would be. The limit study time button will limit how long you have to study and you can adjust the length using the slider below.
Check my profile to see other cool things like this https://scratch.mit.edu/users/CoolerGamingStudio/ If you find any bugs or have any ideas about this project then tell me in the comments.