This is a fantastic enclosure in a lot of circumstances, the Ultra-clear plastic allows great visibility of anything you decide to keep. It can be easily modified to suit your pet's needs, a great DIY option for anybody looking for a cheap alternative to the specified and expensive acrylic enclosures.
This box can easily be modified into a juvenile tarantula enclosure, by simply drilling a few holes on the bottom or side for cross-ventilation.
Or, you can use your creativeness and build a beautiful outworld for your ants to explore, a layer of grout, some decorative pieces, and of course, a few holes used to link up the nest to the outworld.
The last picture shows just how transparent the enclosure is, with a mini-screwdriver placed inside as a reference.