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Ages: 8+ Each hedgehog is unique! Dissolve crystal chemicals in boiling water, place the figure and plaster base into the solution, and watch as hedgehog spines grow fully within one day. Includes crystal powder, gypsum base, a growing container, instructions, a stirring stick, and 1 hedgehog figure.
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🇺🇸 Ship from USA · On Agora since 2026
$14.99