Wasgij mystery is the what happens next puzzle concept where puzzlers have to use their imagination and the clues provided to piece together what the scene printed on the box will look like after a sequence of events plays out it is the number 1 adult puzzle and a totally unique concept collectable number 13 is the 13th in the concept series includes 1 puzzle 1000 pieces size of completed puzzle 68 x 49cm weight 079kg for ages 12 years and over