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This is for one (1) diaphonized mouse spine pen. Diaphonized specimens are kept in glycerin, not alcohol. If the glycerin gets discolored over time, more can be purchased at your local grocery store in either the food aisle (vegetable glycerin) or the beauty product aisle (glycerin).
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$35.00