Watch Worlds largest rocket builder (2022) : Full Movie Online Free It’s October 10 2020 and Kim Jong-un presents the largest mobile rocket on Earth. Jippe Liefbroer, Interaction Design student, sees the rocket and thinks: it can be bigger. For his graduation project he built 'Kimmi's worst nightmare', a 31 meter long rocket. That is 1 meter longer than Kim Jung-un's.