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#kaleidoscope #viewing pattern #symmetrical pattern #light effect #optical toy #colourful vision #sparkle pattern

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#kaleidoscope #viewing toy #optical toy #colorful pattern #visual effect

👀✨🌈💠

#kaleidoscope #optical toy #colorful patterns #viewing tube

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#zoetrope #optical toy #perception of motion #early animation #visual device #cylinder animation #viewing slits