The challenge is to take the puzzle apart and put it back together. Simple, yet so deep. You will need your hands and your brain on board to solve the huzzle puzzles! Happy Puzzling! It appears like a box-like lump with a hole in it, but is actually comprised of two coiled up virtually identical pieces. You must try to take it apart by sliding and rotating the pieces. Although the pieces are angular in shape, they can be rotated in unexpected ways, making their movements quite intriguing. Separates the two parties. You will have to reassemble them by sliding and rotating the piece. Recommended for older than 8 years old Will you manage to separate the pieces and put them back together? A perfect gift, in a very nice box.