how do i make a player visible when they click a button?

game.Players.PlayerAdded:Connect(function(Player)
	Player.CharacterAdded:Connect(function(Character)
		for i,Child in pairs(Character:GetChildren()) do
			if Child:IsA('Part') then
				Child.Transparency = 1
			end
		end
		wait(2)
		for i,Child in pairs(Character:GetChildren()) do
			if Child:IsA('Accessory') then
				Child.Handle.Transparency = 1
			end
		end
		Character.Head.face.Transparency = 1
	end)
end)

so this code makes the player invisible when they join the game but how do i make it so that when the player clicks a button they are visible again