This's a pretty clever design, and I thought to myself "it wouldn't take much to make these into actual cartridges, if the Pi Compute was used as an edge connector".

 

Still, the images speak for themselves, and the creator used Berryboot to allow the OSs to be changed easily.

 

{gallery} Raspberry SUPER PI

1.jpg

Super Pi: Switch OS by switching cartridges

3.jpg

Super Pi: Looks almost like a SNES

4.jpg

Super Pi: Especially when next to a controller

 

Source: Imgur Gallery / blog

 

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How would you design this differently? I think this makes it very accessible for people of all ages, and microSD cards are so small these days they're easy to lose...