first of i would like to say hello, new to the site. i would like to set up a loop around my basement prob 20x15. i currently have three storebought sets, 2 snap together style ho tracks and one without plastic bottoms. what i would like to know is what i need to purchase for track, what i need to use for power source, the newest kit came with a multi engine programer. im really new at this any help would be appreciated thanks!