The EcoSphere is a completely closed ecosystem with shrimp. It is the smallest aquarium in the world and a fascinating decorative element for the office and home. Ball 13 cm diameter 8-10 shrimp black base elegant glass with 2-3 mm thickness requires hardly any maintenance. Made in Germany. Technology of NASA. Life time of the shrimp on average 2 - 3 years. Refilling at reduced prices possible. Box contents: EcoSphere, high-quality manual, cleaning magnet, individual serial number and special protective shipping packaging. Please read the delivery and shipping conditions.