Metal hook code 20g × 10 weight hook code combination mechanics experiment hook code physical experiment instrument 0.0475 sold.32,915 so'm
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Glass Rod Table Water Temperature Air Temperature Liquid Thermometer Experimental Chemical Teaching Alcohol Kerosene Yellow Red Water Thermometer 5.01,462 sold.15,988 so'm
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Red water thermometer mercury thermometer 0-100/0-200/0-360 degrees Celsius experimental measuring thermometer 5.0392 sold.6,113 so'm
M30011 magnetic molecular model junior high school physics rhombus small magnetic needle 24 magnetic induction line distribution model phenomenon 5.0132 sold.75,233 so'm
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500ml 100ml complete distillation device positioning cotton essential oil extraction distilled water to make chemistry teaching instrument 5.083 sold.235,103 so'm
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Temporary Loading Slice Making Tool Junior High School Biology Experimental Equipment Teaching Instrument Brush Iodine Blade Wood Block 5.0292 sold.7,054 so'm
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Manufacturer Physical Strip Box Flat Cylinder Spring Balance Dynamometer 1N/2.5N/5N/10N Teaching Instrument 5.01,230 sold.9,405 so'm
Experimental conductor U-shaped fork insert physical conductor double-headed fork electrical circuit test line teaching experimental conductor 4.92,732 sold.2,728 so'm
Marble Calcium Carbonate for Carbon Dioxide Production Chemistry Laboratory Chemistry Student Grouping Experiment Calcium Carbonate 5.041 sold.23,511 so'm
Glass Light Screen Imaging Screen Junior High School Physical Optics Experimental Equipment Teaching Optical Bright Accessories Translucent 0.0107 sold.32,915 so'm
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Scientific Experiment Box Simple Circuit Experimental Equipment Simple Circuit Set Physics Experiment Textbook Model for Primary School Students 4.850 sold.37,617 so'm
25111 Solar Cell Demonstrator (application materials of solar energy) physical experiment equipment teaching instrument 0.050 sold.244,508 so'm
J11005 Junior High School Physics Tray Balance 500g Mechanical Tray Balance Physics Experiment Balance Teaching Balance 0.0137 sold.84,638 so'm
Coordinate paper 25 * 17cm 16K single square grid coordinate paper experimental equipment square paper teaching instrument 0.0175 sold.2,352 so'm
Small lamp holder, physical and electrical test, bulb base, test, series-parallel circuit, physical equipment, bulb 5.0351 sold.4,232 so'm
16007 compass diameter 50mm primary school teaching instrument ordinary student travel 4.822 sold.5,643 so'm
Writing projector teaching projector projection film 250*250 kindergarten Primary School high school teaching instrument 5.0499 sold.2,564,760 so'm
Square Sink 250 * 180 * 100 Transparent Plastic Sink Teaching Instrument Biological Chemistry Experimental Equipment Thickeneding 5.0528 sold.16,928 so'm
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Teaching Acoustics Experiment Tuning Fork 512Hz 256Hz 440Hz J22002 Resonance Box Resonance Tuning Fork 0.0130 sold.39,968 so'm
Glass Light Pressure Windmill Cruise Radiometer Creative Ornaments Sunlight Windmill Solar Experiment Birthday Gift 0.00 sold.331,496 so'm
Chuda zinc alloy material double-sided mountaineering buckle compass portable compass outdoor camping DC27 5.0978 sold.23,041 so'm
High-end gold plated brass advertising gift outdoor compass compass metal crafts tourism souvenir J57 4.9439 sold.35,266 so'm
Rock and Ore Specimen Box 8-Case Teaching Specimen for Students Scientific Experiment of Grade 4 Rock and Mineral Specimen 0.0964 sold.9,405 so'm
Concave lens lens diameter 10cm focal length 300mm glass material double concave concave lens optical experimental equipment 5.02,516 sold.47,021 so'm
Steel quality tuning fork 8 PCs music tuning fork set teaching tuning fork set factory direct sales 256-512Hz customizable 0.01,634 sold.423,186 so'm
J0408 DC Voltmeter Voltmeter Junior High School Physics Teaching Experimental Instrument Laboratory Electrical Circuit 0.040 sold.47,021 so'm
Plastic test tube rack yellow white detachable test tube rack pipette rack 6 holes 8 holes 19 holes for chemical experiments 5.01,149 sold.11,756 so'm