The other trees of the forest did nothing to keep them back
Come on!" he shouted to the others. "Be quick!" They all ran forward and passed under the tree without injury, except Toto, who was caught by a small branch and shaken until he howled. But the Woodman promptly chopped off the branch and set the little dog free. The other trees of the forest did nothing to keep them back, so they made up their minds that only the first row of trees could bend down their branches, and that probably these were the policemen of the forest, and given this wonderful power in order to keep strangers out of it.
The four travelers walked with ease through the trees until they came to the farther edge of the wood. Then, to their surprise, they found before them a high wall which seemed to be made of white china. It was smooth, like the surface of a dish, and higher than their heads.
"What shall we do now?" asked Dorothy.
"I will make a ladder," said the Tin Woodman, "for we certainly must climb over the wall."
While the Woodman was making a ladder from wood which he found in the forest Dorothy lay down and slept, for she was tired by the long walk. The Lion also curled himself up to sleep and Toto lay beside him.
The Scarecrow watched the Woodman while he worked, and said to him:
"I cannot think why this wall is here, nor what it is made of."
"Rest your brains and do not worry about the wall," replied the Woodman. "When we have climbed over it, we shall know what is on the other side."
After a time the ladder was finished. It looked clumsy, but the Tin Woodman was sure it was strong and would answer their purpose. The Scarecrow waked Dorothy and the Lion and Toto, and told them that the ladder was ready. The Scarecrow climbed up the ladder first, but he was so awkward that Dorothy had to follow close behind and keep him from falling off. When he got his head over the top of the wall the Scarecrow said, "Oh, my!"