An advent calendar like an escape room: 47 puzzle cards guide you through the exciting adventure in the jungle. As an explorer, it goes to Guatemala, in search of a mysterious Mayan temple. Detailed illustrations in each room, together with a wide variety of puzzle elements, pose mysterious puzzles. Symbols instead of numbers. Only those who solve the riddle of the day will find out which symbol is behind the room for the next day. For each puzzle, two tips and the solution can be decoded with the help of the solution magnifier. The puzzles are rated as easy to moderately difficult. Day after day, room by room, time is running out and it's Christmas Eve! 1. Free take-back of used batteries Batteries must not be disposed of with household waste. You are legally obliged to return old batter.