Fastest child to break marble slabs
The record for being the fastest to break marble slabs was set by Aadarsh Rajesh (born on June 3, 2011) of Erode, Tamil Nadu. He broke 6 vertically-placed marble slabs (each slab weighed 2.98 kg) with his leg in 7 seconds and 37 milliseconds (at the WKO ShinKyokushinKai 3rd Bengaluru District Level Karate Tournament 2023), at the age of 12 years, 5 months and 12 days, as confirmed on November 17, 2023.