Book your entrance ticket for Zagreb’s Museum of Illusions and get access to over 70 exhibits including one of the largest hologram exhibitions in Europe.  Defy gravity in a room where water flows uphill and see your friends grow or shrink right before your eyes. Get lost in a maze of mirrors, serve somebody`s head on a tray, or climb up onto the ceiling.  Watch each optical illusion and carefully view each installation. They are entertaining and brilliant reminders that our perception of the world is sometimes just a perception.  Be amazed by awesome tricks that will teach you about vision, perception, the human brain, and science. Learn why it easier to perceive why your eyes and see things that your brain cannot understand.  Visit the playroom, which contains intriguing and educational games and puzzles. at the end of your visit, make sure you take a photo of your accomplishment in the Rotated Room.