The record for making the smallest thermocol model of a limestone mine was set by Suhail S. (born on May 28, 2001) of Palakkad, Kerala. He made a small model of Pandarathu Limestone Mine of Malabar Cements Ltd (measuring 90 cm x 80 cm x 25 cm) during his apprenticeship with the company, using thermocol, artificial grass, small stones, glue and acrylic colours.