In this Christmas and Santa Claus Escape Room activity, students are introduced to the ancient Polybius cipher used by the ancient Greeks and Romans as they solve six hidden clues related to the Christmas holiday and Christian traditions. Student investigative teams have one class period to solve six clues, each written with the mysterious Polybius cipher, then complete the final formula to crack the code. Once students crack each Christmas code, teams will use research devices to find the answ