Discover the ultimate puzzle adventure with the Trefl Prime UFT 9000 Elements Puzzle, designed for true puzzle lovers. Featuring special irregular-shaped pieces made from the thickest cardboard, this premium set guarantees durability, challenge, and endless creativity. With 6 puzzles of 1,500 pieces each, you can assemble them individually or combine them into one giant masterpiece measuring 78.2 x 36.5 inches. A large reference poster (10.5 x 7.0 in) and clear instructions are included to guide you along the way.