Later, from 1969 to 1972, he studied animation film at the Royal Academy of Fine Arts (KASK) under Raoul Servais.

Zarrinkelk established the first school of animation in Iran, which later merged with the prestigious Faculty of Fine Arts at Tehran University.

Zarrinkelk was instrumental in founding the Institute for Intellectual Development of Children and Young Adults (IIDCYA) in Tehran in collaboration with the late father of Iranian graphics Morteza Momayez and other fellow artists like Farshid Mesghali, Ali Akbar Sadeghi and Arapik Baghdasarian, among others.

Zarrinkelk played a crucial role in founding the Institute for Intellectual Development of Children and Young Adults (IIDCYA) in Tehran.

He collaborated with Morteza Momayez, and other artists such as Farshid Mesghali, Ali Akbar Sadeghi, and Arabik Baghdasarian, among others.