end. here is kimberly richardson from wabc. >> reporter: forget your grandma's garden, this unprecedented hunt takes place here in new york city. check the park. every nook and cranny. and maybe, just maybe, you'll hit the jackpot. >> you can spot them. >> reporter: whimsical, out of the box. >> one is made of solid marble with two baby crocodiles crawling out of it. >> reporter: more than 250 eggs super sized, at two feet tall. we got a sneak peek of the sculptures, each created by famous artists and designers. this one by students at high school of art and design. >> the fact that they come this and maybe find ours is pretty exciting. >> reporter: the faberge egg hunt, you get a free app and then you'll be able to check the egg map. >> when you see an egg, it will pop up on your screen saying you