Collect randomtems that appear on screen in a set amount of time

I am trying to build a game where players need to collect the „escaped chickens“ as soon as possible by going to each chicken’s location and collecting it. Is there a way for 5 chickens to appear on the map at the same time in different locations? I am thinking it could be 5 stages that are flexible with 5 „find a location“ elements? Each stage would have the same switch so they all appear at the same time? And then I could have an info stage with a switch that makes it appear after all the chickens/locations have been found, yes? Is there a way to set a timer to complete everything by? Thanks!

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