Build structures that defy logic with the 24 double-sided Illusion Cube tiles inside this box. Explore, create and amaze yourself as you build your very own optical illusions. 120 challenges have been included to get you started, before you begin making your own remarkable illusion creations. An amazing idea! Ages 6+ 1 player 120 challenges have been included to get you started before you begin making your own remarkable illusion creations.