The historical museum is in wild chaos. Recently, a valuable old-time travel machine was stolen. Since then, exhibits have been disappearing from rooms in strange ways and suddenly reappearing in other rooms. The director is desperate. What is going on? An expert in time travel must be found who can track down the mystery. No easy task. Every day, a difficult puzzle must be solved to find the way to the next room. Now clever powers of deduction, imagination, and creativity are called for. Time is running out because the big Christmas gala is to take place in the foyer in just 24 days. But don't worry, if you get stuck, a table on the back of the pack with 2 hints per puzzle and a breakdown of the solution will help. Who will manage to find the time travel machine and unravel the mystery?