so i bought one of the manual scotts bird launchers from cabelas and couldnt stand walking my pup in on a check cord and trying to pull this dumb string attached to my launcher. there was just too much going on that it made paying attention to the dog and everything else just too much......so i finnaly bought all the parts needed to turn in into an electric bird launcher. and boy let me tell you it was cheap, easy, and it works perfect!!!!! could not be happier. i spent a total of $100.00 AN THIS INCLUDES the launcher as well. so i feel that it was well worth it.