game.ReplicatedStorage.Stages.OnServerEvent:Connect(function(player) if script.Parent.Lightbar.on.Value == 0 then script.Parent.Lightbar.on.Value = 1 elseif script.Parent.Lightbar.on.Value == 1 then script.Parent.Lightbar.on.Value = 2 elseif script.Parent.Lightbar.on.Value == 2 then script.Parent.Lightbar.on.Value = 3 elseif script.Parent.Lightbar.on.Value == 3 then script.Parent.Lightbar.on.Value = 0 end end)
https://gyazo.com/37dfe41d0fe22c5b90f3de27a8bedbd8 gif