Crab Ice Sculpture - 30 City Cash
Reindeer Ice Sculpture - 15 City Cash
Giraffe Ice Sculpture - 500 Coins
Christmas Tree Lot - 2,000 Coins
Polar Bear - 30 City Cash
Snow Angel - 5,000 Coins
Sled Hill - 30 City Cash
Bunny Slope - 45 City Cash
Ski Run - 65 City Cash
Kids Building Snowman - 20,000 Coins
Frozen Pond - 35 City Cash
Ice Rink - 40 City Cash
As of now to time limit is given by Zynga to grab all those, but i thing the maximum time limit is during this winter season (Till March), as many of the exclusive items are well expensive (Ski Run 65 CV Cash).
Just inform us which items you would like to buy soon! Get hooked with us to know more about the game.