AGE: 6+ 1-4 Players 20 Minutes Pick your favorite Hero, rescue your friends, and win battles to defeat Thanos! The Collector's Tower expansion set builds on the core game established by the Battle Ball and Mega Pack, adding a new twist (quite literally) to gameplay! The Twilight Sword has landed inside The Collector's Tower on Battleworld, and it could be the key in the fight against Thanos! But getting it is a challenge, as The Collector's Tower is full of surprise twists! Expanded assortment available online. This item not carried in store.