Im going to New York for the first time with my son for 4 days. We are staying right next to Central Park . We are not sure if we should get a 2 day flexi pass and do some of our own sightseeing for they other days or get the attractions passes

Compare price between city pass and Groupon Better to go to city pass website. Finall price is better at City pass

If you see many attractions at all the pass is cheaper than paying all the individual entrance fees, even factoring in Groupon for the places you can. Buy the pass on Groupon tho it's cheaper there