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chalk Tschuraevo ⋆ Umuri
Why is chalk not edible? Why can't I just go eat a box of chalk? - Quora
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Chalkovsky Edible Chalk Chunks - Natural Chalk for Eating - Crunchy Belgorod Chalk Chunks - Russian Organic Chalk for Bone Strength - Zero Additives, No Impurities - White 7oz (200g)
Eating edible chalk
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