O scale model train sets have been revolutionized by the advanced technology that has come in recent years. At eHobbies, we have the best in O scale model train electrical accessories. Looking for the right controller for your train set? We have the Lionel CW-80 80 Watt Transformer, Lionel Master Command Set, and more. These devices allow you to control your train set, by changing the speed of your locomotive and controlling the sounds. You’re the engineer of your own train set! Maybe you have multiple train sets and you want a device that can control all of them at once. You’ll find that our Lionel ZW and Power House Supply Set gives you these options. Control up to four trains on different layouts! In addition, this set comes with built in sounds to create the ultimate experience. Choose the O scale model train electrical accessory that’s right for you!