Boo the little tiger with a twist

Boo the little tiger with a twist is a screamer video uploaded by YouTube user April Fowler Dewey in November 11, 2016. but at the end of the video, the flurry of screamers from SCP-450 appears with a loud screams.

Link
NOTE : The following video contains a screamer!
 * youtube.com/watch?v=hEvOuWlDih4