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CH905ST
Ultra-sensitive earphones with 20K ohm impedance and 57 dB sensitivity.
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From $2.75 /unit
AS6455
Bottle tornado connector demonstrates vortex effects with two bottles.
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From $2.50 /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.
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.
Block, Rectangular, Acrylic 100 X 75 X 20Mm, Polished On All Sides
Clear polished acrylic block, 100x75x20mm.
Mirrors, Spherical, Convex Diameter 75 Mm; Focal Length 15 Cm
Small convex mirrors for magnification, 15cm focal length.
Horseshoe Magnet, 2" With N & S Indication, Alnico 5
Strong educational and industrial magnet with N & S indication.
Fixed Pulley, Surface Mount Pulley, All Metal
Aluminum pulley for inclined plane experiments, easy surface mounting.
Tornado Tube, Vortex Tube, Bottle Connector
Bottle tornado connector demonstrates vortex effects with two bottles.
