what kind of indoor track you looking for
there is a dirt offroad track for 1/10, carpet racing , and a whole indoor nitro series in mn. in the winter
check out... mn nitro series
here...
http://www.mnnitroseries.com/modules...ewtopic&t=1206
no i use a ammo box as well, check out mills fleet farm , last time i was at one they had a few for like $5 in the sporting goods area
you can charge and store in it