They're kits to build an early style radio (tubes and all,) a Berliner record player/recorder, and an Edison gramaphone. I might order the radio at some point. http://www.makershed.com/ProductDetails.asp?ProductCode=MKGK4 http://www.makershed.com/ProductDetails.asp?ProductCode=MKGK7 http://www.makershed.com/ProductDetails.asp?ProductCode=MKGK12 Joe