Metal detail up parts for general use. Special vernier in BLUE.*Small and sharp objects included. Not safe for children under 5 years old.**Recommended age 15+MDI-B4 Metal Vernier (2 sets)SKU: MDI-B4$5.00PriceOut of StockSafety*Small and sharp objects included. Not safe for children under 5 years old. **Recommended age 15+
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