SHRIMP BUBBLE Self Sustaining Semi Closed Aquatic Ecosystem Kit A UNIQUE PERFECT GIFT - Captivating desktop companion for your home or office, perfect as a dorm pet, great educational tool VERY EASY KIT ASSEMBLY - The Shrimp Bubble Ecosystem comes pre-assembled. You only need to transfer the live marine shrimp from their container into the glass bubble (pre-measured water volume, small paper funnel provided). The kit includes 3 to 4 live opae ula shrimp. SELF-SUSTAINING AQUATIC ECOSYSTEM - Minimum maintenance; no daily feeding, no filtration, no frequent water changes SEMI-CLOSED (not sealed) - Removable decorative cork top, allows for ease of access