- Who
- Dietmar Weides
- What
- 6.02/3/28.5 metre(s)
- Where
- Germany (Neroth)
- When
The largest operational mousetrap was built by Dietmar Weides (Germany). It measured 6.02 m (19 ft 9 in) long, 3 m (9 ft 10 in) wide and 28.5 cm (11.22 in) high when unveiled in Neroth, Germany, on 28 March 2013.