15mm 18mm 20mm 23mm RGB X Cube Prism Cross Dichroic Physics Teaching Polyhedron Small House Pyramid Decoration Rainbow Lens

15mm 18mm 20mm 23mm RGB X Cube Prism Cross Dichroic Physics Teaching Polyhedron Small House Pyramid Decoration Rainbow Lens
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sku: 1005004280101097
$2.69
Shipping from: China
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