Click, Clack, Moo Cows that type

Farmer Brown has a problem. His cows like to type. All day long he hears:

Click, clack, moo.
Click, clack, moo.
Click, clack, moo.

But Farmer Brown’s problems REALLY begin when his cows start leaving him notes! Come join the fun as a bunch of literate cows turn Farmer Brown’s farm upside-down!