43252 leaf cross-cut primary Senior high school biological experiment section microscope chip-mounted biological experiment section 0.01 sold.5,173 so'm
Collision tester Physical experimental instrument Verification of the law of conservation of momentum 21068 Initial Senior high school Physical Mechanics 0.0151 sold.75,233 so'm
43201 Plant Root Tip Slitting Plant Slice Initial Senior high school Biological Experiment Slice Microscope Using Biological Slice 0.01 sold.5,173 so'm
J2209 Single-Swing Experimental Device Physics Mechanical Vibration Single-Swing Physics Experimental Equipment Teaching Instrument 5.012 sold.115,201 so'm
Fan's Motor Demonstration of Electrical Property Distributed Static Induction Principles Cutting Edge Discharge Phenomenon 0.030 sold.1,782,023 so'm
Mud sand content meter NA-1 type sand content meter 250ml sand content 500ml measuring pipe cement mortar 0.046 sold.47,021 so'm
Army Green American Compass Tactical Compass Mini Compass Metal Material with Magnifier in stock 5.02 sold.75,233 so'm
Convex lens F10 concave lens handheld magnifier optical bench accessories convex lens imaging law experimental equipment 0.01,001 sold.14,107 so'm
Cardiology stethoscope stainless steel stethoscope professional stethoscope English color box packaging Stethscope 0.01 sold.164,573 so'm
F-type light source T-type light source upper-type light source red light green light with switch to adjust brightness F-type light source high brightness LED lamp 5.0952 sold.23,511 so'm
Plastic overflow Cup Archimedes principle tester accessories Experimental Teaching Instrument Physical mechanics experimental equipment 0.0234 sold.28,213 so'm
24052 Lorentz (magnetic) force demonstrator high school physics experiment equipment teaching instrument Middle School 0.01 sold.940,412 so'm
Manufacturer 22223 Boyi ear law demonstrator Boyi ear Boyi ear experimental device teaching instrument 0.08 sold.329,145 so'm
Manufacturer electrostatic generator positive 23040 paradigm fan's starting motor angry hair punching Crown teaching instrument 5.033 sold.1,889,374 so'm
Hooke's law tester Hooke's law demonstrator and bracket Hooke's law experimental instrument teaching instrument 0.022 sold.329,145 so'm
Stainless steel laboratory lifting table experimental bracket manual control lifting table distillation device placement table heating table 5.045 sold.91,691 so'm
ph test paper 1-14 precision test paper extensive test paper water quality soil cosmetics amniotic fluid urine pH test paper PH 0.01 sold.2,869 so'm
23050 force between charges demonstrator Coulomb's law The same kind of charge repels each other Senior high school physics 0.02 sold.446,696 so'm
Single pendulum experimental device suit single pendulum small steel ball group movement law of single pendulum junior high school physical mechanics experimental equipment 0.053 sold.98,744 so'm
Allyl isothiocyanate distillation device 250ml mustard oil volatile component content determination device 0.01 sold.37,617 so'm
Forced Vibration and Resonance Demonstrator 22026 Senior high school New Curriculum Standard Physical Mechanics Experimental Teaching Demonstration Equipment 5.03 sold.531,333 so'm
SY54A programmable power precision DC resistance box programmable precision resistance programmable resistance resistance box 0.00 sold.235,103 so'm
Area Learning Box Primary School Mathematics Understanding Geometry Piece Polygon Area Calculation Formula Derivation Demonstrator 0.01 sold.28,213 so'm
21037 aircraft lift principle demonstrator model junior high school physical mechanics aerodynamic fluid teaching instrument 5.06 sold.681,799 so'm
Magnetic tool box magnetic counting rod bundle suit rectangular triangle circle parallelogram teaching aid 0.057 sold.28,213 so'm
20cm nail board large understanding geometric nail board teaching aids for primary school students grade one and two graphic nail board 0.01 sold.28,213 so'm
Hand-cranked wind power generation demonstration generator wind energy conversion electrical energy scientific inquiry experimental physics teaching equipment 5.044 sold.164,573 so'm
North Compass for Kidsren and Primary School Students with Chinese and English Red Arrows to Point North, Scientific Mathematics Class Compass for Students 0.00 sold.3,292 so'm
16cm magnetic tool box magnetic attraction counting small stick bundle piece suit primary school mathematics addition and subtraction operation teaching aid 0.043 sold.117,552 so'm
Intelligent Digital Ms Meter J12007-3 Type for Physics Teaching Experiment Mechanics Experiment 0.01 sold.4,752,967 so'm
24019 hand-cranked AC/DC generator primary Senior high school teaching experimental equipment physics Faraday electromagnetism 0.03 sold.272,720 so'm
Jiaojie Brand Lens Cleaning Paper 50 Sheets/Book 15*10cm Lens Cleaning Paper Lens Cleaning Paper Camera Microscope Biological Experiment Supplies 0.00 sold.4,185 so'm
Electromagnetic relay demonstration board teachers use physical electricity electromagnetic effect normally open normally closed circuit experimental instrument equipment 5.01 sold.1,258,151 so'm
Nuclear-free whistle high quality ABS environmental protection children fox sound high frequency outdoor rescue whistle with lanyard referee whistle 0.0402 sold.4,703 so'm
Liter and milliliter mathematics teaching aids one liter scale measuring cup decimeter cube fourth grade container measuring unit demonstrator 0.02 sold.56,425 so'm
Hand-cranked DC generator motor model junior high school physics electromagnetism experiment instrument teaching supplies 0.01 sold.164,573 so'm
Magic engine memory alloy engine magic runner nickel titanium memory alloy engine thermal water truck 0.02 sold.940,412 so'm
Demonstration large magnetic polygon splicing strip parallelogram triangle three-side relationship demonstrator teaching aids 0.09 sold.75,233 so'm
New aluminum alloy Golden Silver 111HZ tuning fork 112.45HZ tuning fork with cloth bag and small hammer free 0.02 sold.235,103 so'm
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