Limited to just 500-units worldwide, this Hello Kitty Mini Grand Piano on eBay “comes with 100 built-in songs PLUS a special Hello Kitty cartridge containing original songs only available with this version.” Auction page. Video after the break.

This was debuted in the summer, and is limited to only 500 pieces. This is the smallest player piano series on earth, with each 4mm wide key playable by hand, but also containing an SD card slot for putting in much more music.

[via eBay]