What is the name for a phrase that is difficult to say repeatedly? [closed]

What is the name for a phrase that makes you stumble when repeated quickly?

Example: Say Big Blue Blanket 10 times.

Solution 1:

Thesaurus.com gives zero results for synonyms of tongue-twister https://www.thesaurus.com/noresult?term=tongue-twister&s=ts

That doesn't surprise me because I have never heard of another expression with that meaning.

So the answer is Tongue-twister.

Note that Reverse Dictionary gives a term for a single word that is difficult to pronounce, i.e. Jawbreaker

https://reversedictionary.org/wordsfor/Tongue-twister