Little Sapling Detective Agency is the most famous detective agency in Forest City. The little detectives have solved many mysteries with the detective Little Sapling. On this day, the detective agency received a very difficult order from Principal Goat. Principal Goat hopes that the detective agency can help him investigate this mysterious letter and find the mysterious sender. So based on this mysterious letter, what useful information can the Little Sapling Detective Agency get? Can the little detectives find this mysterious sender? What kind of secret does this mysterious letter want everyone to discover? All of this will start from the moment the detective Little Sapling opens the envelope...
Purpose: Education through fun, actively finding ways to solve problems