Amazon Japan has revealed two Nintendo 3DS Hard Covers that feature Black Kyurem and White Kyurem. The Hard Covers confirm that Black and White Kyurem are both Dragon/Ice types, the same as the standard forme
Kyurem but Black Kyurem is 3.3metres high and weighs 325.0kg while White Kyurem is 3.6metres high and also 325.0kg. The Hard Covers go on sale in Japan on July 31st, 2012 for 630yen each.
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Sources:
http://www.amazon.co.jp/dp/B007KWRBR6/ and
http://www.amazon.co.jp/dp/B007KWR1H6/