Do You Know Any Good Tongue-twisters?

Tongue twisters are designed to work different parts of the mouth, resonators, head, abdomen.

Try some of these:

She Sells Seashells on the Sea Shore
Throughout the Throng of Thieves they Thought That They Was the Threshold of Wishes (great for Dutch people trying to do a good British accent)
These times of woe afford no times to woo (as above).

A Critical Cricket Critic, a Critic of the Cricket

She stood upon the balcony, in explicable mimicking his hiccuping whilst amicably welcoming him home again.

Peter Piper, the Pickled Pepper Picker, Picked a Peck of Pickled Peppers.  A peck of pickled peppers did peter piper, the pickled pepper pick, now if peter piper, the pickled pepper picker, picked a peck of pickled peppers, where is the peck of pickled peppers that peter piper, the pickled pepper picker picked?

Tippit Pippit

Gurney-Gurney-Gurney - without making it sound like an insult

Chester chooses chewy chestnuts, cheddar cheese and chives.  He chews them and he chooses them, he chooses them and he chews them, those chewy chestnuts, cheddar cheese and chives in cheery charming chunks.

Imagine and imaginary menagerie manager, managing an imaginary menagerie.

If you notice this notice you will notice that this notice is not worth noticing.

If you understand say understand if you dont understand say dont understand if understand and say dont understand how will i understand that you understand . UNDERSTAND

Hears one A skunk sat on a stump and thunk the stump stunk,
but the stump thunk the skunk stunk.