Lawreance is conveying the fact that abject materialism ruins the structure of the family. He illustrates this theme in conveying a realistic problem, which is attempted to be solved in a supernaural, magical way.
Behind the shining modern rocking-horse, behind the smart doll's house, a voice would start whispering: "There must be more money! There must be more money!"
And yet the voices in the house . . . simply trilled and screamed in a sort of ecstasy: "There must be more money!
His eyes blazed at her for one strange and senseless second, as he ceased urging his wooden horse.
The child had never been to a race-meeting before, and his eyes were blue fire.
It came whispering from the springs of the still-swaying rocking-horse, and even the horse, bending his wooden, champing head, heard it. The big doll, sitting so pink and smirking in her new pram, could hear it quite plainly, and seemed to be smirking all the more self-consciously because of it.
It was a soundless noise, yet rushing and powerful.
The voices in the house suddenly went mad, like a chorus of frogs on a spring evening.
He neither slept nor regained consciousness, and his eyes were like blue stones.
The Rocking Horse Winner