How would I destroy a single part out of several on click through a single script?

This should work!

Just change the first line to where your RedMounds folder is! (I assumed it is in Workspace)

local RedMoundsFolder = workspace.RedMounds

for _,Mound in pairs (RedMoundsFolder:GetChildren()) do
	if Mound:FindFirstChild("ClickDetector") then
		Mound.ClickDetector.MouseClick:Connect(function()
			Mound:Destroy()
		end)
	else
		print "A mound does not have a ClickDetector!"
	end
end
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