A toy soldier is tucked into a hole in the lawn, and for eight stanzas almost nothing happens to him. That is the point. Stevenson's speaker is a child who has hidden the figure and now waits for the scythe to uncover it, while the soldier lies still and the child does all the imagining. The poem's central idea is that a silent object gives a child's imagination its richest material. Because the soldier is "dumb," someone has to invent his story, and the last couplet says who: "I must lay him on the shelf, / And make up the tale myself."
The poem is built around the lawn's changing seasons. The first stanza opens with the grass "closely mown," and the fourth answers it with another "When," as the grass is "ripe like grain," the scythe is "stoned again," and the lawn is "shaven clear." Those two stanzas bracket the months in between, when the hiding place vanishes under daisies and spring growth. The fifth stanza turns to the future: "I shall find him, never fear." The child's confidence is charming, but the stanza ends on a small deflation. He will find the soldier "dumb," exactly as he left him.
The rhythm helps that confidence along. The lines are short, seven syllables each, with the stress falling on the first syllable and the final unstressed one dropped: "WHEN the GRASS was CLOSE-ly MOWN." Every line therefore ends on a beat, and the rhymed couplets (mown/alone, sea/knee, fear/grenadier) click shut with a nursery-rhyme snap. The form sounds like a child's chant, which lets the speaker seem natural even as his thoughts grow more reflective.
The imagery is about scale. For the child, the grass is "a green sea / O'er the lawn up to my knee," measured against his own body. By stanza six the same grass has become "the grassy woods of spring," and later "the forests of the grass," where "fairy things" pass. The smaller the viewpoint, the larger the world, and the child slips into the soldier's view to see it. Colour and material sharpen the picture. The "scarlet coat" must glow against all that green, while "leaden eyes" tell us he is a metal toy, heavy and unblinking, staring up "to the stars and to the sun," so that day and night both pass over him. Judging by the imagery, his "pointed gun" is never fired. The only things he meets are bees, a ladybird and a butterfly. Even the grand title "grenadier" belongs to the child's game, a rank handed to something small.
The most interesting move comes in stanzas six to eight, where the child credits the soldier with experience. "He has seen the starry hours / And the springing of the flowers." But the speaker keeps a thread of honesty running through the fantasy. The soldier has "Done, if he could tell me true, / Just as I should like to do." The "if" admits that all of this is guesswork, and the second line shows what the guesswork is for. The child envies a life of lying in the grass and watching the world go by, and the soldier does the adventuring on his behalf. There is a lovely paradox in "In the silence he has heard / Talking bee and ladybird." Silence here is not empty. It is crowded with voices the child wishes he could hear himself.
One word keeps returning: "alone." The child walks "on the lawn alone" in the opening stanza, and the soldier lies "alone" in stanzas three and eight. The echo suggests that the story is partly a way of keeping company, as one lonely figure imagines another.
The ending is gentle but a little sad. "The shelf" is where toys go when games are over, and the phrase carries the faint sense of something being put away. Yet the child does not sound defeated. "Not a word will he disclose" is followed by a declaration of independence, and "dumb," which began as a complaint, turns into a gift.
The poem matters because it takes a child's play seriously without talking down to it. In a few plain rhymes it shows how storytelling begins, with a gap that someone is determined to fill.