India International Science Festival (IISF) 2020, a science festival was organized between 22-25 December 2020 in a Virtual Mode. The central theme of this year’s IISF was “Science for self-reliance India and Global Welfare”. More than 6,874 students joined this event virtually. In this activity, children assembled sun-dial kit with light-shadow and time device. Nominations for Guinness World records is thus attempted for simultaneous gathering of largest number of children making Sun-dials. 74 students from Jaipuriar School were a part of Guinness World Records. Students enthusiastically participated and completed their model successfully. It was an amazing learning experience for the students. It was a proud moment for the school as another feather was added in its cap.