Collision tester to verify the law of conservation of momentum Experiment 21068 Initial Senior high school Physical Mechanics Experimental Instrument 0.0122 sold.84,638 so'm
No.1 Battery Box No.1 Terminal Copper Contact Piece Physical and Electrical Experimental Equipment Teaching Instrument Factory Outlet 0.0250 sold.10,345 so'm
Iron Powder Box Iron Chip Box Simulation Magnetic Field Demonstration Equipment Magnetic Induction Line Depictions Experimental Physics Electromagnetics Teaching Instrument 0.01,363 sold.9,405 so'm
Diamond small magnetic needle with base wing-shaped magnetic needle mini small magnetic needle elementary school science junior high school physics teaching instrument 0.0785 sold.16,928 so'm
Cobalt glass slide blue cobalt glass plate metal ion flame reaction experiment high school chemistry experimental instrument teaching 0.0510 sold.11,756 so'm
Concave lens lens diameter 10cm focal length 300mm glass material double concave concave lens optical experimental equipment 0.02,515 sold.47,021 so'm
Alcohol lamp glass alcohol lamp with wick laboratory heating 30ml60ml150ml250ml experimental equipment 0.0298 sold.1,176 so'm
Teaching magnet Primary School students horseshoe u-shaped u-shaped ring teaching magnet bar teaching aid magnet experimental equipment 0.01,072 sold.6,113 so'm
Physical Experiment Electrostatic Equipment Friction Electroscope Glass Stick Silk Glue Stick with Hair Belt Rotating Frame 0.0108 sold.9,405 so'm
Magnetic Splicing Strip Magnetic Angle Operating Material Understanding Square Rectangular Triangle Obtuse Angle Acute Angle Right Angle 0.0144 sold.4,232 so'm
Sliding rheostat 20Ω 50Ω 10Ω 5Ω junior high school electrical experimental equipment adjustable sliding wire rheostat 0.0218 sold.58,776 so'm
Rubber Madberg Hemisphere Experiment Vacuum Atmospheric Pressure Diameter 12cm Madberg Hemisphere J2115 Teaching Instrument 0.0127 sold.54,074 so'm
Optical group with track optical group aluminum alloy track small optical bench concave-convex lens teaching instrument 0.0105 sold.164,573 so'm
Understanding Angle Angle Understanding Angle Operation Low Grade Learning Tools Magnetic Activity Angle Making Material of Ratio Angle 0.0635 sold.4,232 so'm
Demonstration of wooden ruler 1000mm 1 meter wooden ruler solid wood ruler 1 meter primary school junior high school mathematics teaching instrument 0.030 sold.23,511 so'm
12005 EDM Timer Multi-frequency EDM Dot Timer Electrical Physics Experimental Equipment 0.0127 sold.225,699 so'm
Hooke's Law Experimental Apparatus Hooke's Law Demonstrator and Bracket Hooke's Law Experimental Instrument Teaching Instrument 0.090 sold.329,145 so'm
F light source f light source t-shaped light source imaging optical bench attachment f-shaped light source middle school optical experimental equipment 0.0105 sold.37,617 so'm
Absorbent Paper Chemical Biological Experiment Filter Paper Test Paper Microscope Absorbent Cleaning Dust Biological Laboratory Consumables 0.01,971 sold.7,054 so'm
Strip box dynamometer 1N10N5N2.5N spring dynamometer spring balance mechanical experimental equipment teaching instrument 0.036 sold.9,405 so'm
Optical interference diffraction sheet physical grating demonstrator single and double slit experimental instrument optical observer middle school teaching 0.0123 sold.305,634 so'm
Manufacturers supply junior high school students power J04001 teaching equipment welcome to buy 0.029 sold.239,806 so'm
Strip box dynamometer 1N 2.5N 5N 10N spring dynamometer plate dynamometer cylinder dynamometer 0.0585 sold.9,405 so'm
Glass measuring cylinder 10ml25ml50ml100ml250ml500ml1000ml graduated cylinder glass measuring tool 0.0311 sold.8,464 so'm
Cube group 2.5cm 2cm copper, iron, aluminum and wood physical substance density measurement large size same volume different mass 0.074 sold.44,670 so'm
Submarine Ups and Floats Demonstrator 21014 Physical Buoyancy Principle Demonstrator Mechanical Structure Principle Teaching Aware 0.0539 sold.63,478 so'm
Basic burette head Basic burette with hose and glass bead burette fittings 10ml 25ml 50ml 0.020 sold.4,703 so'm
Friction experiment suit junior high school physics mechanics teaching aids students use teaching instrument dynamometer wood block 0.0120 sold.30,564 so'm
Physical and electrical experiment resistance ring 5Ω 10Ω 15Ω J23018 middle school electrical circuit resistance 0.065 sold.28,213 so'm
Teaching resistance box 9999.9 Ω0.1 ohm progress varistor box electrical physics experimental equipment teaching instrument 0.098 sold.178,679 so'm
Centripetal force demonstrator accessories belt one large and one small pair of steel balls aluminum balls 3 balls a set of accessories 0.033 sold.42,319 so'm
Convex mirror Concave mirror Convex lens Convex lens Large triangular prism Optical experimental equipment Lens teaching belt base 0.0557 sold.8,934 so'm
J2362 simple resistance box 0-9999 ohm physical and electrical teaching instrument variable resistance box 0.034 sold.169,275 so'm
Cross clamp miniature iron frame accessories cross clamp inner diameter 6mm chemical experiment equipment teaching instrument 0.054 sold.16,458 so'm
Standard iron stand full set of 40cm50cm60cm square stand chemical laboratory experimental equipment teaching instrument 0.0273 sold.49,372 so'm
plastic tray reagent bottle tray hand tray chemical reagent tray laboratory tray teaching instrument 0.0162 sold.11,756 so'm