what are the charges for the luggage deposit in overseas China town?

We have 3 big luggage case with us. Is available at all the ticketing counter right?

Btw there is a night show every night right? What time is the show, how long and where is it?

I will be coming with 2 elderly, no kids, what are the star attraction that i should go with them? They dont dare to take cable car.

Thank you very very much