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CH905ST
Ultra-sensitive earphones with 20K ohm impedance and 57 dB sensitivity.
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From $2.75 /unit
GYRO3
High Precision Designed Educational Gyroscope, Perfect for classroom demonstration. weight 150 gr.
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From $21 /unit
KSWITCH1
Quality switch for science projects and electronic experimentation.
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From $1.45 /unit
Piezoelectric Earphones/Crystal Earphones
Ultra-sensitive earphones with 20K ohm impedance and 57 dB sensitivity.
Gauss Rifle (Magnetic Linear Accelerator)
High-speed steel ball launcher using magnetic chain reaction.
Precision Gyroscope
High Precision Designed Educational Gyroscope, Perfect for classroom demonstration. weight 150 gr.
Simple Switch (Knife Switch) With External Posts, Spst
Quality switch for science projects and electronic experimentation.