Crayola washable crayons have been around for a while, but only was it in 2014 that they were given new packaging and a new name,
Ultra-Clean ColorMAX. These boxes are the boxes before those boxes were introduced. I am sure there are more out there, but I am happy to have a few. They are super washable and wipe off easily from the wall, something I'm really glad for with a two year old :)
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How are the crayons so washable and how were they tested? In the patent it says, "The crayons obtained had excellent washability. Crayon marks were made on various surfaces by applying 5 hand strokes on top of each other. The crayon marks were easily washed off painted tile boards having two coats of flat white paint thereon. A wet paper towel was employed to wipe off the marks. The marks wiped off completely as determined visually. The crayon marks were similarly washed off wallpaper. Crayon marks on fabrics, 100% cotton and 50/50 cotton/polyester, were washed off in a clothes washing machine using TIDE.TM. powder detergent with a hot water wash. The fabrics were dried under the normal drying setting. The marks were removed completely, as determined visually. No residual stain was observed on all substrates tested above."
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