Don't all great ideas come from idiots?
Well, how about this as a starting point for a dolly (straight and curved track)
http://www.kidenergy.com/15-35168.html
or
http://www.walmart.com/catalog/product.do?product_id=4256062
..or perhaps just the track all by itself
http://www.thomasvillestation.com/index.php?productID=472
or
http://www2.yardiac.com/long.asp?item_id=14088&AID=10378099&PID=500871
Well, how about this as a starting point for a dolly (straight and curved track)
http://www.kidenergy.com/15-35168.html
or
http://www.walmart.com/catalog/product.do?product_id=4256062
..or perhaps just the track all by itself
http://www.thomasvillestation.com/index.php?productID=472
or
http://www2.yardiac.com/long.asp?item_id=14088&AID=10378099&PID=500871