This is a  Watermelon Begonia (Pelionia Pulchra)
It is a Live plug plant.
There is no soil or pot, and it can be planted straight into your enclosures soil.
Watermelon Begonia (Pelionia Pulchra)  is a climbing plant, which supports itself on its strong stems.
It is an easy to grow plant, which thrives well in enclosures.
It can be trimmed back once it reaches the desired height, which will encourage more side shoots.