Natural wood without deformation-it is wear resistant and corrosion resistant Choose high quality logs with the clear and visible that smoother and harder after polishing more than one processcan be used for a long time. Beautiful unique motifs-quality printing precision fitFor the preservation of the environment uses recycled materials and avoids the use of environmentally harmful components Manufacturered by YDPTYANG. Letter Hints on the Back - Letters A-H are printed on the back of the puzzle as a helpful hint so you can rely on it to quickly find the right piece to reduce the difficulty of the puzzle. For adults:This helps to leave the stress of everyday life behindand to stimulate your creativity.To the child: fill in the curiosity the exercise of the ability of the . High quality 500 piece wooden jigsaw puzzleFinished puzzle measures 20.5 * 15 Inches (52cm X 38cm) approximatelyApply adultschildren.this one Its easier to piece together!