I saw this video of Tanikugu performing with a wonderswan and tenori-on and came to discover that there was a version of the classic sequencer for the handheld, and thus the hunt has begun. If you have a copy, or find links to some for sale please post below!

video in question:



You might already know this, but it seems that it was only on sale at specific events - this site says that there were only 120 copies sold: … -62d2.html

Also, just to give you an idea of how much you may have to spend: (195000 JPY is about 1600 USD). Other auctions have ended with a cheaper price (about 400 dollars).

A continued search on the Japanese Yahoo auctions and Rakuten auctions is one possible plan - you may need to be patient.