The emerald empire morphed into a crystal kingdom when Mother Nature slipped on her winter coat and blanketed Prospect Park with 20 inches of the white stuff, wooing mom, dad and the kids to embrrr-ace simple, snowy pleasures at the borough’s premier play pen.

Toboggans and snowboards were out in full force as thrill-seekers proved there’s no business like snow business by frolicking in the flakes, building snowmen and enjoying buzz-filled hours during the season’s first snowfall.