Genesis development kit

[Jeffrey]

http://list.bidders.co.jp/item/22988859

I thought this looked pretty fun... it's a little expensive and the seller wont mail it overseas, but just dream of the possibilities...

 

[antime]

The Tototek flash carts would be much more useful.

 

[Mask of Destiny]

I wouldn't cal this a dev kit, just an EPROM cart. It might have a prototype on it still though.