Hi! I need help with a clicker game I am making. If anyone wants to help me, that would be great!

Game: Cookie Clicker on Scratch
What I need: When the player unlocks a new item in a shop and the shop is closed, then do this:

Help is greatly appreciated

just make it set a variable to false when you open the shop (and when the project starts) when you unlock something new set the variable to true. every times the shop closes check if the variable is true. if the variable is true make the text appear