11 นิ้ว Constellation การศึกษาการอ่าน AR Terrestrial Globe สมาร์ทพร้อมไฟ LED และพูดคุยการเรียนรู้ภูมิศาสตร์และโลก

18mm Steel Rod 20mm 25mm 30mm Shafts 100/200/300mm 304 Stainless Bar Linear Metric Round Ground Stock Mill Finish Extruded

304 Stainless Steel M2 M2.5 M3 M4 M5 M6 Internal Thread Cylindrical Pin Internal Tooth Positioning Cylinder Location Dowel GB120

5/10/20pcs M3 M4 M5 M6 M8 304 A2 Stainless Steel Large Flat Hex Hexagon Socket Head Rivet Connector Insert Joint Sleeve Cap Nut

Diameter 20mm 30mm Round Fresnel Lens Focal Length 50mm Flat Magnifying Lenses Optical PMMA Threaded Solar LED Condenser Lens

30x3 Neodymium Magnet 30mm x 3mm N35 NdFeB Round Large Super Powerful Strong Permanent Magnetic imanes Disc 30*3 mm

5-40mm Kapton Tape Polyimide Adhesive Insulating Adhesive Tape Каптоновый Скотч Heat Tape for Board Protection

1pack Oval Round Glass Cabochon 30x40mm 6mm 8mm 10mm 12mm 18mm 20mm 25mm 30mm Transparent Clear Flatback Cameo Jewelry Making

1-30pcs Brass Hex Screws M3 M4 M5 M6 M8 M10 M12 Length 6mm-100mm Metric Thread External Hexagonal External Copper Bolts

10/5/2pcs M7 M9 M11 M13 SS304 Stainless Steel Bushing Washer Sleeve CNC Unthreaded Hollow Casing Length 2 3 4 5 6 7 8 9 10-30mm

1-10pcs Coupling Nut M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Stainless Steel 304 Extend Long Round Nuts