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Popcorn Rock…
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Popcorn Rock…

Warning!  WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.

That’s right, a rock that grows crystals that look sort of like popcorn! Just immerse it in vinegar and wait 1 to 3 weeks (instructions included). It looks like a roughly 2" lump of coal before crystal growth, in case you were wondering. Truly amazing!

89048 POPCORN ROCK
$4.25 EACH
See More Chemistry / Crystal Kits

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