A tongue twister is a phrase that's supposed to be difficult to articulate properly. Often times, they take practice to say correctly. Tongue twisters are good practice for children as they learn to form words, phrases, and vowels. It's hard to say a tongue twister without a smile on your face. Kids will be entertained with these tongue twisters for hours.
Also if you want to become a better voiceover actor, singer, or public speaker this book is for you and contains fun and challenging tongue twisters and vocal warm-ups that prepare you to read commercial, promo, narration, trailer, and animation copy with the proper energy and vocal dexterity.