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physical experiment equipment Hand-cranked generator model junior high school physics electrical experiment equipment

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$8.29

8.55

9 Physics Electrical Experiments Set Student Electric Circuit Kit Lab Teaching Aids Hand Generator Electromagnet Kid Science Toy

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$15.53

16.35

Solar Panel Physical and electrical experimental Science Experiment Teaching Tools Educational Kids Toy

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$2.6

2.89

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10.13

Kids Children Electrical Experiment Kit - Handmade Wind Powered Toy Educational Physics Science Assembly Model Teaching Aids

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$4.98

5.53

School Lab Single pole single throw switch Connection Circuit Scince Physical and electrical experimental Teaching equipment

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$2.78

2.90

Single-pole double-throw switch magnetic electric demonstration box teacher's version switch physics electrical experiment

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$8.45

8.89

Physics 3v Electromagnetic Relay Junior High School And Electrical Experiment Special Teaching Equipment Instrument

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Physics 3v Electromagnetic Relay Junior High School And Electrical Experiment Special Teaching Equipment Instrument

$2.92

3.11

Small screw socket for physical and electrical experiments

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Small screw socket for physical and electrical experiments

$3.04

3.20

Light bulb physics and electrical experiment equipment junior high school screw mouth light bulb teaching instrument

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3.60

Electrical experiment accessories Light-emitting diode (LED) physical electromagnetic experiment equipment with base terminal

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4.49

No. 1 battery box large junior high school physics and electrical experiment equipment multiple binding posts four in one

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9.49

Solar Cell Demonstrator Electrical Experiment Equipment Physics Experiment Instrument Teaching Instrument

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Solar Cell Demonstrator Electrical Experiment Equipment Physics Experiment Instrument Teaching Instrument

$17.0

17.89

Electrical experiment single pole double throw switch

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3.29

No. 5 battery box can be freely combined in series electrical experiment equipment accessories

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$2.85

3.00

Hand-cranked generator model junior high school physics electrical experiment equipment electromagnetic instrument

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9.49

Single pole single throw switch Middle school physics electrical experiment equipment accessories

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3.20

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10.49

Screw small lamp holder junior high school physics electrical experiment equipment simple series and parallel circuit accessorie

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Slide rheostat 20 ohm 2A slide rheostat spring terminal electrical experiment equipment teaching instrument

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$8.74

9.20

Single-pole double-throw switch Physics and electrical experiment teaching aids Teaching instruments Experimental equipment

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$3.13

3.29

Single-pole single-throw switch single-gate switch physical electrical experiment teaching aid teaching instrument

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3.29

Sliding rheostat 50Ω1.5A Physical electrical experiment Change the current voltage Sliding rheostat adjustable resistance

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Sliding rheostat 50Ω1.5A Physical electrical experiment Change the current voltage Sliding rheostat adjustable resistance

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15.00

No. 1 battery box physical electrical experiment equipment series parallel connection terminal

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3.89

Student electrical experiment accessories light emitting diode (LED) with base terminal

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3.29

Elementary school science electrical experiments simple circuit conductor small lamp holder Flashlamp series parallel circuits

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$8.5

9.44

Single pole single throw switch teacher demonstrates magnetic type single gate switch physical electrical experiment pure copper

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$7.6

8.00

DC12V E10 Small Light Bulb for Physical Electrical Experiments Incandescent Light Lamp

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$2.79

3.10

Electric Circuit Learning Kit Physics Electrical Experiment Teaching Aid Ammeter Voltmeter Sliding Rheostat Resistor Science Toy

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$19.24

22.37

1

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