full title: Periodic Table Chemical-Elements Chemistry Science Mendeleev Puzzles for Adults Jigsaw Puzzles Wooden Puzzle Artwork for Family Friends Gift
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Made in USA or Imported
This puzzle is made of high-quality poplar wood, which is not easy to fade and durable.
round puzzles can help you develop hand-eye coordination, attention, memory, exercise thinking skills, judgment and patience.
buy it from amazon: https://www.amazon.com/dp/B0CHJZND8X
