Sai Talabuthala (b. 3 June 1969) of Peddapuram, Andhra Pradesh, used a small wood piece and a steel spring to make the smallest functional mousetrap 18 mm long and 4 mm wide (0.31in x 0.15 in) on 13 November 2016. The mousetrap took 1 hr 21 min 33 sec to make.