There is an esoteric secret in this magic box.Can you open the box to find out the secret?The magic box is made of special material， so the gaps on it will not easily to be found out.When you can find out three tricks on this box， you will open the box.A great brain-training toy for children. Material:WoodenSize:15.5*8.5*5.8cmPack including:1 x Large Magic Box