Two sides combine in a spinning pictureSourced
A thaumatrope can put a bird inside a cage
A thaumatrope carries pictures on both sides of a small disc turned by attached strings. A bird on one side and a cage on the other appear combined when it spins quickly. Neither side alone needs to depict the complete scene.
Rotation supplies the combination.
Summary / translation: Unbubly · CC BY-SA 4.0
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Thaumatrope · Wikimedia contributors
Adapted, summarized and translated from the source. Adapted text is also available under CC BY-SA 4.0.
Reviewed: 2026-10-05