SMALL SPHERE ON SALE The amazing EcoSphere is the original self contained aquatic ecosystem. Enclosed in glass, this miniature ecosystem is self sustaining with the perfect balance of animal and plant life. Not only are they pieces of art and a novelty, they're a tool used for learning and education. Inside each glass sphere are algae, shrimp, and micro-organism in natural sea water. They have an average life expectancy of...
Stainless steel.H: 3.5" (9 cm)D: 2.75" (7 cm)