ToolScript (stacks + Uses)

Tool = script.Parent

player = game.Players.LocalPlayer
Frame = player.PlayerGui:WaitForChild("BackpackGui").Frame

Tool.usesValue:GetPropertyChangedSignal("Value"):Connect(function()
    Frame.usesLabel.Text = "Uses: "..Tool.usesValue.Value
end)
Frame.usesLabel.Text = "Uses: "..Tool.usesValue.Value

Tool.Activated:Connect(function()
    if Tool:WaitForChild("usesValue") and Tool.usesValue.Value > 1 then
        Tool.usesValue.Value -= 1
    else
        if Tool:WaitForChild("stacks") and Tool.stacks.Value > 1 then
            Tool.stacks.Value -= 1

            Tool.usesValue.Value = 3
        else
            Tool:Destroy()
            Frame.usesLabel.Visible = false
        end
    end
end)

Tool.Equipped:Connect(function()
    Frame.usesLabel.Visible = true


end)

Tool.Unequipped:Connect(function()
    Frame.usesLabel.Visible = false
end)