Field Force Speed Shuttle Machine FSSM-220 Includes 102 shuttles (63 genuine, 39 compatible) * A great deal, as genuine shuttles cost 110 yen each and compatible shuttles cost 80 yen each separately. Includes genuine adapter, extension tubes (can connect up to 3), and batteries. Used very little, both the appearance and functionality are in good condition. By connecting 3 extension tubes, you can continuously launch 30 shuttles. I think it will be more effective practice if you prepare plenty of shuttles and concentrate on hitting about 80-100 swings. Also listed elsewhere, so there is a possibility of sudden removal. Thank you.