I don't think I could pick just one.
Both of my kids are switch hitters. They excel in one area get bored and seem to move to another.

Right now my DS3 is really in onto numbers and math, he counts everything and reads the numbers off of every sign or address. 6 months ago it was reading and words

My DD7 is really getting into math for the first time. She is cruising through Algebra with many side trips