i am buliding a model of a roller coaster. im making the rails out of copper tubing. the coaster actualy works. the copper tubing is 1/2 in. you know how when you guys make the train models and have a control station to make it go. i nedd that on my train on my coaster. the wheels are on the top the side and the bottom of the track. i need the motor on the train so it gets out of the station and stop. i after the chain lift its just gravity. the wheels need to be connected to the motor or whatever you call it. i will nedd alot of wheels. where can i get that. please help. thank you.:thumbs_up::thumbs_up::thumbs_up:
