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Salt and chalk in water - Stock Image - C001/0718 - Science Photo Library
Chalk in water, 1 of 3 - Stock Image - C036/3869 - Science Photo Library
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Chalk in water, 2 of 3 - Stock Image - C036/3870 - Science Photo Library
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Outdoor Fun sidewalk chalk in bucket - 50 pieces
Friction Labs® Loose Chalk in New Recyclable Packaging