The Bio-Logical Game! Anti-Virus is a sliding puzzle game with a new twist: tiles that only slide diagonally and can move in groups! Once you "catch the bug" it's hard to put this game down. Sliding "escape" puzzle with unique diagonal grid. Contains booklet with 60 multi-level challenges and solutions. Includes 1 puzzle. Puzzle has 11 pieces. Maximum size of completed puzzle 14.7 x 14.7cm. For ages 7 years and over. (not included) . 2 year manufacturer's guarantee. EAN 5414301514060. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. This product contains no.