Thames and Kosmos 550021 Hot Ice Crystals
Original price
$22.20
-
Original price
$22.20
Original price
$22.20
$22.20
-
$22.20
Current price
$22.20
These amazing crystals form instantly out of a sodium acetate solution. They look like ice but they release heat upon formation. Use the solution to mold a beautiful crystalline polar bear and seal. Create an...
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