it says in an article "It is "an attention-getter and conversation piece," the company said. Priced at US$399, it's available worldwide through Direct Source Marketing." Here's the address from the website, there's a price list there too for their other products.
D.S.M. (Direct Source Marketing)
3-2-4 Nihonbashi Ningyo-cho, Chuo-ku, Tokyo 103-0013 Japan
Persons in charge : Kumy Takahashi, Operations Co-ordinator
Email: kumy@komamura.co.jp
Phone: 81-3-3808-0118 Fax: 81-3-3808-0117
web address:
http://www.dsmww.com/