Le Dernier Secret D'albert Einstein [Albert Einstein's Last Secret] [Outdoor]

Albert Einstein has just left us... but he seems to have left behind him one last secret! It's up to you alone to reveal his ultimate discovery, but time is limited! You will only have 1h30 before the temporal compass, which will guide you throughout your mission, runs out and the secret is lost forever... Will you be able to find the clues left by Albert Einstein and find out what he left behind? Good luck to you young adventurers!