 Tleskač also owns a copy of the puzzle, which he refers to as the "Hedgehog in the Cage".He succeeds in removing the hedgehog from its cage, splits the sphere in two parts and hides the plans of his invention inside it before reuniting the two hemispheres and replacing the Hedgehog inside its Cage.After Tleskač's mysterious death, local children take the Hedgehog as a symbol of leadership for their secret society.