Magnetic Anomalies Inside (Plate Tectonics)

No need to be a geologist or earth scientist to know about the reversals in geomagnetic polarity that led to the conclusion that plate tectonics was a sound theory. Showcase wry geological attitude with any of these geomagnetic polarity gifts featuring the late Cenozoic, along with the saying "Magnetic Anomalies Inside". Make others do a double-take with educational, scientific fun today with these geek humor gifts!