How do u get oil pastel out of clothes that have been washed ?

i took out a load of laundry at the laundromat to find that one of my daughters had an oil pastel in with the laundry and there are little blue and green spots all over the clothes ...i have read about the bag trick but i would have to do it with every piece of clothing is there anything else i can do so that i can... show more i took out a load of laundry at the laundromat to find that one of my daughters had an oil pastel in with the laundry and there are little blue and green spots all over the clothes ...i have read about the bag trick but i would have to do it with every piece of clothing is there anything else i can do so that i can get all the clothes unblue at the same time ?
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