Parallel plate capacitor J2309 Senior high school middle school physics experiment equipment physics demonstration equipment 0.060 sold.173,977 so'm
Small Motor Model Motor Model Small Motor Experimenter Physical Model Teaching Instrument 0.0446 sold.46,081 so'm
DC ammeter J0407 voltmeter J0408 sensitive ammeter ammeter physics experiment teaching instrument 4.91,761 sold.51,723 so'm
Metal slot code J11022 high school junior high school physics experiment equipment mechanics instrument Middle School teaching instrument 0.0750 sold.56,425 so'm
Alcohol lamp cap plastic lamp cap lampshade alcohol lamp accessories chemical heating experiment consumables teaching instrument 5.01,192 sold.471 so'm
Specific heat of calorimeter J22201 object electrothermal equivalent thermal physical experiment measurement thermal equipment 5.0367 sold.98,744 so'm
Fixed value resistance 5Ω10Ω15Ω electrical experiment measurement resistance J23018 square resistance wire teaching instrument 4.0184 sold.35,266 so'm
Bar magnet 180mm large student teaching bar magnet for demonstration magnet teaching aids teaching magnet 5.0745 sold.56,425 so'm
Magnetic needle adhesion accessories 304 stainless steel magnetic polishing needle Manual magnetic needle wholesale 5.01,252 sold.197,487 so'm
Bar magnet 11cm student teaching bar magnet demonstration magnet teaching aids teaching magnet teaching aids 5.0590 sold.35,266 so'm
Chemical experiment consumables rubber tube latex tube water stop clip water stop clip laboratory galvanized spring water stop clip 5.04,509 sold.1,411 so'm
24014 demonstration electromagnetic relay junior high school physics experiment instrument learning tool teaching instrument electromagnetism demonstration instrument 5.0185 sold.103,446 so'm
Dissecting plate/wax plate/stainless steel dissecting plate biological anatomy experiment new curriculum standard middle school biological equipment 5.02,112 sold.39,968 so'm
29040 insect observation box for primary school science not less than 3 times amplification device 5.03,850 sold.4,703 so'm
Primary and secondary school kindergarten electrical circuit experiment small bulb lit up kit battery box lamp holder switch 2.5V bulb 5.01,810 sold.18,809 so'm
Aluminum Alloy OM136.1 tuning fork mind resonance yoga practice with velvet bag and sound hammer 5.02,755 sold.197,487 so'm
High quality Square insect box insect observation box insect feeding box with magnifying glass removable 5.0156 sold.7,759 so'm
Factory Direct Physical Instrument 23061 Student Adjustable Internal Resistance Battery Teaching Instrument 0.062 sold.106,267 so'm
Single pulley single pulley single pulley single pulley physical mechanics experiment equipment instrument teaching instrument single pulley 5.0503 sold.9,405 so'm
Plant seed transmission method specimen J43153 Primary School biological experiment equipment teaching instrument 5.0292 sold.37,617 so'm
ph test paper/PH test paper/ph extensive test paper test paper 1-14 soil urine cosmetics ph test paper 5.0555 sold.3,762 so'm
29019 object thermal expansion and cold contraction experimental material solid thermal expansion and cold contraction demonstrator primary school science teaching instrument 5.0321 sold.14,107 so'm
Writing projector teaching projector projection film 250*250 kindergarten Primary School high school teaching instrument 5.0548 sold.2,564,760 so'm
Tianrui stainless steel stirring rod Chemical Laboratory Reactor anchor 250-500mm stirring accessories stirring rod 5.0350 sold.94,042 so'm
Object heat absorption demonstrator heat conduction experimental material copper rod iron rod aluminum rod plastic rod ceramic rod wooden rod 5.01,982 sold.706 so'm
Demonstration clock model clock face Model 12 o'clock three-needle linkage understanding time 30502 primary school mathematics teaching tools 5.0224 sold.56,425 so'm
Prism rainbow splitting prism light dispersion physical optics experimental light refraction spectroscope teaching instrument 5.01,490 sold.17,868 so'm
Physical and electrical teaching instruments change current and voltage 5Ω10Ω20Ω50Ω adjustable sliding rheostat 0.05 sold.52,664 so'm
Copper Single Knife Switch Single Pole Double Throw Switch Double Pole Double Throw Switch Primary School Junior High School Electricity Experiment 5.0931 sold.9,405 so'm
Aluminum alloy tuning fork 128hz136.1hz MI528Hz 4096Hz sound therapy tuning fork, learning tuning fork 0.0146 sold.352,655 so'm
Liquid Pressure and Deep Relationship Experimental Device Junior High School Physics New Curriculum Teaching Instrument 0.050 sold.47,021 so'm
Lever Ruler Experiment Principle of Lever Ruler and Bracket Force Elementary School Science Experimental Equipment Teaching Instruments Teaching Aids 5.088 sold.14,107 so'm
23010 Factory Direct 2351 E10 Lamp Cannon Junior High School Physics Electrical Circuit Experimental Equipment Instrument Small Lamp Holder 5.0270 sold.11,756 so'm
Factory Direct 21034 Centrifugal Track Teaching Instrument Physics Mechanics Experimental Device 0.070 sold.189,494 so'm
A full set of distillation device 500ml/1000ml positioning cotton essential oil extraction distilled water to make chemical teaching instruments 0.0115 sold.648,885 so'm
Insect specimen J43150 three kinds of beneficial insects three kinds of pests biological experiment specimen Primary School instrument 5.063 sold.42,319 so'm
Plastic battery box (No. 1 battery) can be connected in series and parallel 04010 Electrical physics experiment equipment teaching instrument 5.0498 sold.7,054 so'm
Chuda zinc alloy material double-sided mountaineering buckle compass portable compass outdoor camping DC27 5.01,143 sold.23,041 so'm