Brand New, Never Used, Jeason Model #25..The largest and most powerful Hobby Steam Engine, features a double acting stationary slide valve cylinder with plenty of low speed torque, 2-1/2 x 6 boiler, reversible, 2 speed pully and a F-N-R Stephenson link shift lever. Includes 400watt heater, pop valve, whistle and throttle. Measures 11" x 12" x 9". Weight is 6lbs. See Photos for condition. See Jensen's Website for more info.