Put all the 3D-puzzle pieces on the game board in such a way that it turns into a (flat) 2D-image without holes. A super-fun thinking game with a 120 challenges which will require some ”deep” thinking to find the correct the solution.
Choose a challenge and put all the indicated pieces on the board.
Arrange all the 3D-puzzle pieces so all protruding parts fit into the holes of the game board.
You've found the right solution when all the puzzle pieces fit!