Youngest to solve number slide puzzle
The record for being the youngest to solve a number slide puzzle was set by Swarnabh Banerjee Verma (born on June 7, 2018) of Mumbai, Maharashtra. He solved a non-magnetic 5 x 5 wooden sliding puzzle in 1 minute and 45 seconds at the age of 3 years, 5 months and 24 days, as confirmed on December 1, 2021.