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POOF-SLINKY: Crystal Radio Kit. Kids can build a working crystal radio that will pick up radio stations and allow them to experiment with radio waves while learning chemistry basics. No batteries or soldering are needed. This package contains: one diode; one base; four rubber bands; one tuning rod; two connecting wires; one coil wire; one sand paper; one earphone; three nuts; three bolts; four washers; one coil tube; one tuning ball and one instruction manual. Meets or exceeds ASTM F 963. Recommended for children ages 8 and up. WARNING: CHOKING HAZARD-Small parts. Not for children under 3 years. Imported.

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