Show off your love for science with this brand new serotonin molecular structure pin. It is expertly crafted from durable metal and coated with high-quality enamel for long-lasting use. The intricate design captures the essence of this important neurotransmitter molecule in a visually appealing way. This pin is a must-have for any science enthusiast or collector of unique pins. It is made in China and is not handmade. Add it to your collection of collectible pinbacks or use it to accessorize your backpack or jacket. Get yours today and show off your love for science!