Pack of 3 puzzles with 20, 36, and 50 pieces. The product is made from high-quality materials and uses a special calendered reflective paper that makes assembly easier. The puzzle is manufactured in Poland from ecological materials. Trefl has been consistently producing puzzles in Poland since 1985. Strengthened by their many years of experience, they continuously strive to deliver a product of the highest quality for their admirers. Their philosophy is that puzzles are great because they stand the test of time, despite changing trends. Solving a puzzle improves concentration, teaches patience, and stimulates logical thinking. Trefl puzzles are ideal for bringing people together, uniting friends, family, and even generations, as working on a puzzle together is a wonderful way to connect.