Nintendo have today officially unveiled the DSi LL, a much bigger version of the DSi with 4.2 inch screen for a cost of 20,000 (135), which will launch in Japan on the 21st November.

It will come with short and long touch pens and will have three DSiware titles pre-installed: Two brain training games and DS Easy Dictionary.

Nintendo have launched the official site for the handheld, which also features a size comparison page.

There are no European or US details yet.