
Everybody knows the Rubik’s Cube. I myself have wasted countless hours trying to solve it, and when I finally did, I didn’t have the slightest clue how I did it. I never managed to solve it again after that.
This clock is a bit easier to use. It looks like the fiendishly addictive puzzle, has date and time display, alarm function and a thermometer. To switch between the functionalities, you just twist the top part.

Source article
If you would like to make a comment, please fill out the form below.