This ring is worn by Senku Ishigami in the anime “Dr. Stone”, and it is engraved with the famous mass-energy equivalence formula, E=mc². The ring is made of silver metal and inlaid with a green gem, representing the power and wisdom of science. This ring is a must-have collectible for “Dr. Stone” fans, and it is also a tribute to the scientific spirit.
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Dr stone ring
$15.99
-55%
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