Amazon has a good selection:
https://www.amazon.com/s/ref=nb_ss_0_10?url=search-alias%3Daps&field-keywords=battlezone&x=0&y=0&sprefix=battlezone
Wow, those BZ2 prices are totally unreasonable... :-D
maybe somebody out there knows it's modding potential :?
Just imagen what a used Grizzly tank would sell for. :)