Tool with Stacks (Quantity System)

local Tool = script.Parent

local player = game.Players.LocalPlayer
local QuantityText = player.PlayerGui:WaitForChild("QuantityGui").QuantityText

Tool:WaitForChild("stacks").Changed:Connect(function(value)
    QuantityText.Text = "Quantity: "..value
end)

QuantityText.Text = "Quantity: "..Tool.stacks.Value

Tool.Activated:Connect(function()
    Tool.stacks.Value -= 1

    while wait() do
        if Tool.stacks.Value == 0 then
            Tool:Destroy()
            player.Character.Humanoid.Health += 5
            QuantityText.Visible = false
            wait(1)
            break
        end
    end
end)

Tool.Equipped:Connect(function()
    QuantityText.Visible = true
end)

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