let's learn why Peltier devices are not actually very cool in this new video:

https://www.youtube.com/watch?v=CnMRePtHMZY

Thermoelectric cooling: it's not great.

YouTube
@TechConnectify Just curious – how thick are the walls on that cube fridge in the video, they looked very thin to me? I've got a similar fridge at my weekend house (where I just happen to be at the moment), and that one has 55 mm walls (the fridge itself is 45 cm wide).
@jernej__s The are indeed thinner, about 30mm