These could come in handy as a simple “canned” sound that could be triggered by an event with an Arduino or something. I may just have to get one to use as the notification “RArrr!” for my Electric Imp project.
http://store.bigdawgspromo.com/product_info.php?cPath=490&products_id=12949&osCsid=ff8334133d5fc65ac4ed2e07c4c240ce