Activate Hopperbin through GUI?

Hey, I'm trying to activate a hopperbin through a GUI button I've got. The localscript I've written below has no errors or anything but it doesn't quite activate the hopperbin.

Everything works fine when I click on the hopperbin on the toolbar but just not through the GUI

enabled = true;

script.Parent.MouseButton1Down:connect(function()
if enabled == false then
    game.Players.LocalPlayer.Backpack["Wood Wall"].Active = false
    wait(0.2)
    enabled = true;
    end
end)

script.Parent.MouseButton1Down:connect(function()
if enabled == true then
    game.Players.LocalPlayer.Backpack["Wood Wall"].Active = true

    wait(0.2)
    enabled = false;
    end
end)