"You can't do it," said Freddie. "Nobody can make a hill!"
But he watched what his brother was doing. Bert set some posts in the ground, though it was hard to dig, for the earth was frozen. But the posts did not have to go in very deep. From the top of the posts to the ground Bert next slanted two long boards, bracing them on the under side with shorter posts. Then he made a little platform by nailing boards from the tops of the first two posts to two others which he placed a little back of them.
"Why say, that does begin to look like a hill!" exclaimed Freddie, for the slanting boards were just like a slanting hill of earth. "Only you can't slide down on that 'cause it hasn't any snow on," he said.
"Well, it's easy enough to shovel some snow on, and pack it down hard," answered Bert. "You get your shovel and begin."
Freddie was delighted to do this, and was soon tossing up on the slanting boards shovelful after shovelful of snow. When Bert had finished nailing the platform on top of the posts, which were about seven feet high, he helped
