Teak frame and iron balls.
Red Pixie levitates the end ball and lets it go: CLICK! Click! Click, click, click a brief flurry of motion and sound, slowly slackening in speed and volume until it stops.
It reminds Red Pixie of the last fluttering of her self doubt as she drowned it in the yellow enamel kitchen sink one day long ago. She’s never looked back since and old toys like this still bring a far away smirk of joy to her face. Over the course of the day Red Pixie will occasionally play with it and gaze pleasantly off into the middle distance for a moment.
Smaller than a bread box.