The Ice 'n' Chisel Set is a type of art skill object. You must have an Art skill level of 30 to buy this item. It was added during Winter Wonderland Week in December 2011. This item is available to purchase in the shop under the skill category.
Completing all the skill levels on this item will give your Sim an additional 22 art skill levels. You do not need to buy any SimCash items to finish all these levels.
Completing the last skill level on this item will award you with the Howler Sculpture, an ice sculpture in the shape of a wolf. This item will appear automatically in your inventory without any notification from the game.