A guessing whodunit from the world of books "Knickerbocker Gang". The whodunit is told on 49 cards. These cards are shuffled and you have to find the right order to solve the mystery. In the box there are 49 mystery cards, each of which has a part of the exciting story printed on it. The player or players must now put the cards in the right order, which can be done by carefully reading and logically arranging each part of the story. If the cards are in the right order, one can easily solve the puzzle from the information and answer the question found on the last card. A hint on a special card can also help. And how do you know if you have guessed correctly? Quite simply, the cards are turned over carefully and one by one, without changing their position, and the letters on the back then give the correct answer. Reading, logical combination, drawing conclusions, recognizing sequences, all these essential elements are trained in this game, and on top of that without the children noticing it. —user summary