An anonymous reader writes: If you were a kid in the late 70's or 80's chances are you owned a Rubik's cube. One of the most popular toys of its time, BBC news takes a look at the people who never lost the passion for the puzzle toy and those just learning. 'The speed world record for a single attempt is 5.55 seconds, set by Dutchman Mats Valk last year. The world championship is determined by averaging three attempts. The current champion is 18-year-old Australian Feliks Zemdeg who averaged 8.18 seconds last year. To ensure fairness, a computer generates a randomised cube which all the competitors are given. The record for most Rubik's cubes solved in 24 hours is 4,786, set by Milán Baticz of Hungary.'