Components for your train include switches, track and electrical connections. Some knowledge of electrical equipment goes a long way, but isn't necessary.
Ask about electrical connections and power supplies.
Step3
Take your locomotive with you if you are not familiar with electronics.
Step4
Make sure your power source works on direct current (DC) if your locomotive does. (Most do.) If your train runs on alternating current (AC), make sure the controller matches that.
Step5
Ask the clerk which side of the track to attach the electrodes to. If you do it backwards, your train will run backwards.
Step6
Get a toggle switch to turn the train on and off. The switch should be large and impressive looking. A "knife-style" switch allows you to reverse the current if you want to back the train up or just feel more like Casey Jones while playing with your trains.
Tips & Warnings
If you are familiar with electronics, you may want to build these circuits yourself. It's less expensive, and some find it enjoyable.
If you aren't familiar with electronics, ask for help. You don't want to short out your train set.