That is a great start. The brass track is considered junk these days, but don't worry you can still use it if you really need to. Let your parents know we said it isn't very good (-=.
Now most times when we are starting a new layout we think 4 foot by 8 foot plywood, thats not the best. If you was allowed to build a shelf layout thats better 2 foot wide along the wall is very good way to start. Then you can have a big turn at each end. You have to get that parental help with it though good luck bud, and let us know how we can help. We are always willing to keep you on track (-=.