Thinkgeek - Biological Things
Have always been a ThinkGeek fan.
They have these Bilogical Live goodies which is quite interesting.
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EcoSphere $79

Inside each EcoSphere is a model of long ago, in a time when life was beginning to form (or a model of our far future as we all live in glass bubbles in some extraterrestrial zoo). But seriously, inside you will find two forms of active micro-organisms (bright red shrimp and algae) existing in a clear “soup” of filtered sea water. Because the ecosphere is a self-sustaining ecosystem, you never have to feed the life within. Simply provide your EcoSphere with a source of indirect natural or artificial light and enjoy this aesthetic blend of art and science, beauty and balance.
The living resources within the EcoSphere utilize their resources without overpopulating or contaminating their environment, which means the EcoSphere requires no cleaning and only minimal care. EcoSpheres have an average life expectancy of two years. However, it is not uncommon for shrimp populations to be thriving in systems as old as 7 years. A whole world of life under your care – who said you weren’t responsible?
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h2>Triops Deluxe Kit$14.99
It’s true. Triops have been around for a bajillion years. They have survived unchanged due to a very special adaptation called “diapause.” When their ponds dried up, the Triops’ eggs went into a state of suspended animation until the ponds filled again.
Triops look like a cross between a horseshoe crab and a facehugger (look out Sigourney!), and can grow to be up to 2” long. Oh yeah, and THEY HAVE 3 EYES!! You’ll have a very unique conversation starter on your desk. And since Triops hatch in about 24 hours and almost double in size daily, expect your desk to be the center of the office as your co-workers stop by frequently to see how the Triops are doing. Go crazy, name the Triops after your co-workers. We did! And don’t worry - these Triops are grown on special farms; you’re not harming any ecosystems by growing an army of desk aliens.