Rubik's cube solved in 20 seconds
20 July 2017 Last updated at 06:54 BST
Rubik's cubes have been confusing, frustrating and most of all bringing a lot of people a fun challenge since the 1980s!
There are even international competitions where people compete to complete a cube as fast as possible.
Henry here is a British competitor who has got some nimble fingers and can complete a 3x3 cube in around 20 seconds. Wow!
Check out the video to find out more.