Arts & Crafts > Art Supplies > Drawing & Sketching > Colored Pencils
12 Colors Oil-Based Watercolor Pencils MM-HB12
Brand: Generic / OEM
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Audited BOM: 5 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The poor core formulation (ENG-001) prevents proper dissolution in water, leading to customer complaints (REV-001) and returns (RMA-002) due to failure to deliver the watercolor effect.
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