new in box never opened Experience the thrill of running balls with the ROKR Robotime Marble Squad Marble Run LG502 Wooden Puzzle. This 239-piece puzzle is perfect for physics enthusiasts and runners alike. The puzzle features a unique design with plywood material that adds to its durability. The puzzle is suitable for ages 12 and up, making it a great challenge for both kids and adults. With its brown color and intricate design, it is sure to captivate anyone who lays their eyes on it. Get ready to have fun and challenge your problem-solving skills with this amazing puzzle.