Can you get rid of the virus in this "bio-logical" game? Anti-Virus is a sliding puzzle game with a new twist: tiles that only slide diagonally and can move in groups. Young and old alike are quick to "catch the bug". Once you've started playing you won't want to stop! A great game for ages 8 years and older and comes with 60 challenges from easy to expert. This game develops cognitive skills of flexible thinking, concentration, logic and problem-solving. What's in the box 1 x Puzzle game board 1 x Challenge booklet 11 Puzzle pieces