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CH905ST
Ultra-sensitive earphones with 20K ohm impedance and 57 dB sensitivity.
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From $2.75 /unit
DC45_5A
Transparent compass for topographical maps. Dampens in 5 seconds, 3x magnifier.
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From $5.75 /unit
N35.1000.1000.250
1 inch square super strong neodymium magnet with rounded corners.
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From $8 /unit
CRADIOKIT
Basic parts to assemble and experiment with an AM radio powered solely by radio waves.
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.
Neodymium Magnet, Square, 1 X 1 Inch
1 inch square super strong neodymium magnet with rounded corners.
Soft Iron Rod (Soft Magnetic Iron Rod), 5 Mm X 200 Mm (D X L)
Flexible Magnetizable Metal Rod, 5mm Diameter, 200mm Length.
Crystal Radio Kit - Basic AM Radio experiment, No Batteries Required
Basic parts to assemble and experiment with an AM radio powered solely by radio waves.
Solenoid / Electromagnet With Iron Core
Electric magnet with iron core for demonstrations and experiments.
Horseshoe Magnet, 2" With N & S Indication, Alnico 5
Strong educational and industrial magnet with N & S indication.
Primary And Secondary Coil Set (Made In India)
Transformer coil set for electromagnetic studies, made in India.