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"mpn":"290195144731"
Digital Compass: show bearing in degrees and cardinal point
A hopper with feed opening and adjustment is provided in the Mill
Whether for home use
SPYLX Optical Glass Convex & Concave mirror (Dia 50mm) focal length 15cm room temperature thermometer "mpn":"290195144731"Optical Glass Brand: SPYLX Features: Package included: 1*Convex Mirror 1* Concave mirror Size : 75 MM Optical Glass Part Number: Optical_Glass_Convex Details: This kind of Glass Convex and Concave mirrors can reflect and can be used for scientific experiments It can teach children to explore the mysteries of light, stimulate a child's thirst for knowledge, and improve the children's interest of understanding the magic world. Size : 75 MM Package
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