They had an engraver make tooling for the above/below-ground divider, an ant-sized farm scene complete with barn, silo, windmill, farmhouse and barnyard animals in highly detail. And they replaced the sand with clean white volcanic gravel.
Now the ant habitat has been around for years but these 2 did invent the Uncle Milton Ant Farm to be massed produced for all to enjoy.
So know you know the general story of the history of the ant farm and how Uncle Milton and the Levin Family turned a Formicarium into a multi million dollar industry and made the Myrmecology majors happy.
Buy More ant Farms and bugs at our Insect kits store.