Answer:
Kayla the kid (could add kangaroo here) looked through the knowledgeable kaleidoscope in kindergarten
Step-by-step explanation:
Alliteration is where the same letter or sound is repeated at the beginning of a word multiple times in a sentence, or, the occurrence of the same letter or sound at the beginning of adjacent or closely connected words.
(pretty sure you knew that and just needed some help thinking of words though, hopefully the above helps you out!)
btw (could add kangaroo here) is not part of it, just a side note haha