Color tray become "Color tray (2)" so this script must be adjusted
Also, sprite z-order must be carefully chosen. Now The "Cursor" is pushy, it follows your mouse cursor, calling out "click me, me, me ..." and won't let you click any other.
If You want the "Cursor" sprite to stay behind the "Color tray(2)", the "click" event goes only to "Color tray(2)". So something like this is needed (for the "Color tray(2)").