SHANGHAI JUJIN INTERNATIONAL CO., LTD.
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Crookes Radiometer
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Sand Pendulum (Principle of motion)
Physical Instruments, Experiment
Air Pressure
Solar Items ( Energy Conversion Principle )
Principle of motion
Level Meter, Inclinometer, Gradienter
Weather Instruments
Galileo Thermometer
Crookes Radiometer
Storm Glass Fitzroy Barometer
Desktop Series
Sand Timer, Yoga Timer, Mask Timer
Paper Weight
Balance Ball, Newton Cradle
Sand Pendulum
Globe
Kinetic Perpetual Motion Toys
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NEW ! Fireworks Decoration
NEW Glass Dome with flower in glass
Glass Candle Holder
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LED Candle
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Five Line Source
INQUIRY
Basic Optical Presenter
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