Midnight Stealth Silver Dragon Practice Foam Nunchaku uses foam padding to protect the vitals while learning the art of using nunchakus. Practicality is important when choosing your first set, and these are practical and beautiful. Martial Artists around the world use Nun-chucks in both performances, and Ka-Ta. This Nunchaku carries a steel chain and ball bearing Hoshi. It is safe to use and made of polyfoam materials with PVC core support.