Nice small ecosystem to look at in your home or office and easy to keep if you don´t have a lot of free time.

You can choose which kind of ecosystem do you want to create, which rocks, plants and livestock (shrimp/snails) you want and then just follow the instructions once it all arrives and you’ll have a miniature ecosystem that requires little upkeep, only need to put some water when the evaporates.

You can buy this article on Amazon.