TacToys of Australia goes over the JM M26 A2 Gel Ball Grenade that is legal to use in the Land Down Under (and probably where airsoft is legal as well)... "In this video, we do a quick overview on the JM M26 A2 Gel Ball Grenade! Extremely well built, tough and durable ABS Construction it is a reusable design that only needs 5 second to reset. No gas or batteries required. expels gel balls on contact with ground after pulling the pin.It has an efective range of 5 metres and can load up to 40 gel balls."