We've discovered that the boys really enjoy fish. I've had fish tanks throughout my life but we stopped after Emmett was born. There wasn't really a reason for it, we just hit a point where everything had died and we didn't replace them. The last fish we had was one of those goldfish you win by tossing a ping pong ball into tiny fish bowls at the fair. Gavin one that fish when he was teeny tiny and it lived for years. It grew from half an inch to something like seven inches in length by the time it died. That fish out lived everything else in the tank and when it died, we packed it all away. Since I've recently reviewed the EcoQube C, the kids have become entranced…