TREFL Frozen Boom Boom: Ice Country 2. Join your favorite heroes from Ice Country on an adventure! Boom Boom: Ice Party 2 is a simple and fast-paced game for the whole family! Collect the first card set and ring the bell! The player with the quickest wins wins. 1. Swap cards quickly. 2. Collect 4 cards of the same color. 3. Ring the bell. 4. Win! Age: from 6 years. Set includes: 56 cards, bell, board, and instructions. Number of players: 2-4. Playing time: 10-25 minutes.