How many movies have Igor Ovchinnikov and Viktor Vatolin collaborated on?

They have worked on 3 movies together! Their first movie together was Геометрия для малышей. Про точку и королевскую дочку (1982) and was their highest rated movie together. They have not worked together since Mysteries of the Starry Sky: Where Did Telescopes Come From (1985). They are most known for their family films together.