Budding genius noun phrase
A kid or young person who displays signs of great intelligence
Peter is a budding genius in Maths. He is ten but can solve complex equations of grade 10.
The downside of being a budding genius is that you can bear a lot of pressure from your parents' expectations.
A young person who is very clever and successful.
The origin of this phrase is not clear. Probably, it is formed based on the literal meaning of the word "budding" and " genius".