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Hair Hygrometer
Elegant curved stand holds a swinging pendulum
Extra monitors and senders for Klima pro Logger
The enclosed booklet is especially worthwhile
Electricity Wizkit Ornamental Instrument Hair HygrometerFrom the award winning Wiz series, this kit presents ready to assemble switches and circuits (but no batteries household 1. 5 V batteries will do) PLUS the bonus 48 page booklet that shows experiments and teaches about circuits, series, and conductivity. Not a beginner's kit. 25 cm H by 21 W x 6 D
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