A collection of hands-on experiments and activities using rocks and minerals

Weighing in at just 14

Ideal replacement or expansion component

Automatic ground rejection

and small pickers while maintaining excellent water flow

Fisher F22 Metal Detector with 11" DD Coil Deep Seeking A collection of hands-on experimentsFisher F22 With 11" DD CoilWeatherproof All Purpose Metal Detector Visual Target ID by Category Weatherproof Operates on 2 AA Batteries (25 30 Hours) Fe Tone (Adjustable Iron Audio) Iron Identifier Icon 9 Segment Visual Target ID Large 2 Digit, 1 99 Numeric Target ID 4 Modes of Operation: JEWELRY, COIN, ARTIFACT, CUSTOM Pinpoint 10 Levels of Adjustable Sensitivity 20 Levels of Adjustable Volume 4 Tone Audio ID Non Volatile Memory Saves Settings 11" DD