The UGEARS Mechanical 3D Models Wooden Puzzle Treasure Box is a challenging and intricate puzzle with 190 pieces, perfect for older teens and adults aged 17 years and up. Made of wood and featuring a brown color theme, this treasure box puzzle offers a strategic gameplay experience. With a focus on problem-solving and creativity, this puzzle is sure to entertain and engage puzzle enthusiasts for hours. The brand UGEARS, known for quality craftsmanship, ensures a high-quality and enjoyable puzzle experience for the user.