Serotonin Chemical Composition Science Pin Badge

Introducing our serotonin chemical composition pin badge, for the brainy and quirky! Show off your love for science and humor with this unique, serotonin-inspired accessory. Display it on your backpack, lab coat, or anywhere else you want to add a touch of fun and intellect.

✅ Brass Plated Iron & Hard Enamel  
✅ Backing: Butterfly Clutch   
✅ Perfect Addition To Your Outfit   
✅ Size: 3cm x 2cm 
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