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    done this
    By n2n2n2n

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    I have done this lots of times. It is easy and works well. I use plastic grocery bags and dye in quantities much larger than 1 cup. Just shake the bag -- tie it first LOL

    I did like the suggestion of the clear ziploc bag --- the kids could actually see the changes. However I still think I would dye my large quantities at home and demonstrate or let the kids dye in 1 cup quantities. (a good lesson for the materials and materials science strand)

    Dyed macaroni is great for patterning, sorting, counting etc.

    This stuff lasts a long time. I have had some for almost 20 years --yikes!

    View the original thread this idea was posted on

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