ebay can get you most of the parts for this, also look out for B2 parts as they shared a lot and even more are shared with other associated cars including the B4. (RC10.com has the parts lists under downloads and support)
Some places like DMS Racing and Modelsport have some listed their websites too.
I think that there was also a thunder tiger phoenix that's pretty much a re-release of the B3.
Hope this helps
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