Abstract: A catch tray for a terrarium container. The tray comprises a rectangular bottom wall, first opposite rectangular side walls each separated from the bottom wall by one of first folding lines, and second opposite rectangular side walls each separated from the bottom wall by one of second folding lines. Each of the first and second side walls is oriented upwardly with respect to the bottom wall and connected to the bottom wall by the corresponding first or second folding line. Each of the first side walls is separated from adjacent one of the second side walls by two triangular corner panels connected to each other by a corner folding line and to the adjacent first and second side walls by the first or second folding lines. The triangular corner panels folded inwardly with respect to the side panels so as to define triangle shaped flaps disposed inside the tray.