The Trimoni Twins and the Changing Coin

Beezel and Mimi live in the famous Trimoni Circus. Their parents are Fantastic Flying Frederica and Eric the Eager Ember Eater. Both Beezel and Mimi can do their own tricks, and the best by far is changing people into animals and vice versa, but for this they need their Amazing and Unique Changing Coin. But who else would like to get their hands on the coin? The mysterious magician The Great Paparella, perhaps? And how far will he go to get it