Its touring schedule covers Australia from the remotest towns to the largest cities.
They also made SuperTents for rock concerts such as Homebake and The Big Day Out.
It is one of only three circuses left in Australia with big cats in their programme.
The three lions at Lennon's are 4 years of age, 2 females and 1 male from different litters.
The Lennon Bros Circus showcases a wide variety of circus arts such as tumblers, flying trapeze, hula hoops, acrobats, double wheel of death, aerialists and clowns.