Go on an adventurous mission with the code name PREVIOUS! The Mystery Academy, which solves riddles hundreds, thousands, even millions of years old, has a complicated case for you. Scientists there discovered a skeleton that, according to the first results of research, belonged to one of the ancient ancestors of today's man. Continue your archaeological investigation, identify traces left by prehistoric people, collect clues... Only if you can successfully cope with all the puzzles, quizzes and tasks, will you find out who the found bones belonged to! You have over 150 stickers for it, plus a lot of engaging information and interesting facts from history.