- Sustainable wooden puzzle with 350 unique pieces, each with shapes related to the Great Wall of China. - Made from 0.5 cm thick wood, offering greater durability and resistance. - Vibrant colors, 3 times brighter than conventional puzzles. - Challenging and entertaining assembly experience, ideal for stimulating the mind and creativity. - Perfect gift for children and adults, encourages concentration and teamwork. - Approximate dimensions: 37.5 x 37.5 cm, size M. - Eco-friendly product, environmentally friendly and high quality.