Birthday gift idea?

Hello to you.

I wanted to ask if anyone could give me some tips on what to get my daughter for her birthday. She's turning 20 this year, and such a milestone birthday should be something special. 😇

I gave my eldest a sightseeing flight for her 20th birthday, and I want my younger daughter to have an unforgettable day too.

She is very adventurous, up for any fun, and loves motorcycles and trains.

I would be delighted to hear your ideas and suggestions. THANK YOU!!