I was thinking of actually making them myself, but ...
They just released those cases for capsule beyblades, yet they also work with normal blades :
http://ameblo.jp/1974-mshr/entry-10319578794.html
At the moment, there seem to be only two auctions :
http://search4.auctions.yahoo.co.jp/jp/search/auc?p=%A5%D6%A5%EC%A1%BC%A5%C0%A1%BC%A5%A2%A5%A4%A5%C6%A5%E0%A5%BA&auccat=2084041894&alocale=0jp&acc=jp
It seemed more or less appropriate to start a topic instead of just posting in the Beyblade Random Thoughts topic this time ...
They just released those cases for capsule beyblades, yet they also work with normal blades :
http://ameblo.jp/1974-mshr/entry-10319578794.html
At the moment, there seem to be only two auctions :
http://search4.auctions.yahoo.co.jp/jp/search/auc?p=%A5%D6%A5%EC%A1%BC%A5%C0%A1%BC%A5%A2%A5%A4%A5%C6%A5%E0%A5%BA&auccat=2084041894&alocale=0jp&acc=jp
It seemed more or less appropriate to start a topic instead of just posting in the Beyblade Random Thoughts topic this time ...