First of all, congratulations to this classmate! Then ask questions:

1. How did you feel after winning the prize? What is the significance of this competition to you?

2. What preparations have you made for this competition? Do your family, classmates, teachers and schools support your participation? Does the competition affect your normal study?

3. Is the robot the thing that interests you most? What further exploration are you going to do in this field next?

4. What are you going to do with the bonus?

Congratulations on your award again, and I hope you can achieve even greater results!

Can be used as a reference above!