631 Pieces – Krypt Gradient Jigsaw Puzzle

631 pieces. Top quality cardboard puzzle with Softclick technology. This ultimate puzzle offers no images to see : only a huge gradient of colors ! Only the shape of the piece and its color can help you find its location and complete everything until the last piece. Assemble this puzzle in the conventional way by working on the outline first, or add an extra level of difficulty by starting at the center with the special center piece : the 631st piece ! Comes with the user guide. Dimensions : 70 x 50 cm. Recommended for children 12 years old, 13 years old, 14 years old, 15 years old and older.