Answer: make his own paper airplane.
Explanation:
At childhood age of about 3-years old to 5-year old a child learn to hop, swings, run,playing etc along with telling stories, speaking properly,increase vocabulary, speaking names and age etc.
According to the question, there might be doubt about Andrei able to make own paper airplanes because she is at her preschool childhood age where a child mostly not able to perform appropriately and detailed work on their own and requires guidance.