diff --git a/packages/components/src/number-control/stories/index.js b/packages/components/src/number-control/stories/index.js
index fd969ce0f7ecf..ab8a86281ebb5 100644
--- a/packages/components/src/number-control/stories/index.js
+++ b/packages/components/src/number-control/stories/index.js
@@ -12,6 +12,12 @@ export default {
 	title: 'Components (Experimental)/NumberControl',
 	component: NumberControl,
 	argTypes: {
+		size: {
+			control: {
+				type: 'select',
+				options: [ 'default', 'small', '__unstable-large' ],
+			},
+		},
 		onChange: { action: 'onChange' },
 	},
 };
@@ -48,5 +54,6 @@ Default.args = {
 	placeholder: '0',
 	required: false,
 	shiftStep: 10,
+	size: 'default',
 	step: '1',
 };