Color-Changing PLA Filament 1.75mm – Sunlight/UV Reactive, 1kg Spool

Light-reactive color-changing PLA that shifts hue under sunlight or UV — for example a white print turns pink or blue outdoors, then fades back indoors. A fun way to add interactive flair to toys, accessories and novelty prints. 1kg spool, 1.75mm diameter, available in several color-change options.