"Yes," replied Mirabell, as she saw her brother do this. "But it isn't
slippery enough for anybody to slide down. You must have snow for a
hill."

"Not this kind," Arnold answered, with a laugh. "You see your Lamb has
wheels on her, and she can roll right down the ironing board hill, just
like Dick made an old roller skate roll down. Look, Mirabell!"

Arnold took the Lamb from his sister's arms and set the toy on the high
end of the slanting ironing-board hill. And when the Lamb looked down,
and saw how steep it was, and how long, she said to herself:

"Oh, I'm afraid something dreadful will happen to me! I never coasted
downhill before, though I have heard some of the sleds and toboggans in
the toy department speak of it. Oh, he's letting go of me!" she cried to
herself, as she felt Arnold taking off his hands by which he had been
holding her at the top of the ironing-board hill. "He's going to let me
go!"

And let go of the Lamb Arnold did.

"Watch her coast, Mirabell!" he called to his sister.

Slowly at first, the Lamb on Wheels began to roll down the long, smooth,
sloping board. Then she began to go faster and faster. At the bottom she
could see the shiny oilcloth on the kitchen floor. Beyond the end of the
ironing board the kitchen floor stretched out a long way.

"Oh, I feel so queer!" bleated the Lamb as, faster and faster, she slid
down the ironing-board hill. "Oh, what a strange adventure!"