This glass jar from MacMillan Science Co Inc is a unique and fascinating addition to any collection of marine life items. Inside, you'll find living eggs of the brine shrimp, ready to hatch and become a thriving colony of tiny creatures.

The material of the jar is sturdy and clear, allowing you to observe the hatching process as it happens. It's a great gift for science enthusiasts or anyone interested in the wonders of the ocean. Add this to your collection of marine life collectibles today!