Parp through the past with giggles galore in this third fart-tastic tale from the hilarious Olaf Falafel!Old MacDonald is off on his most hilarious adventure yet, on a parp-powered journey through the fart-filled past!Join him in riotous rhyme as he meets dinosaurs, Vikings and queens, and laugh out loud as they parp their way through history in this third side-splitting offering from the comic genius Olaf Falafel.