Stickers, Shirts, and a full box appear in this movie.
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Two stickers on a locker: Beanball and another (looks like Gadzooka), at 13 minutes, 6 seconds into the movie:
Two shirts: Wormy Packages and Gadzooka, at 52 minutes, 10 seconds into the movie (they also appear at 1 hour, 19 minutes, 5 seconds):
A full box on a counter at 1 hour, 7 minutes, 22 seconds into the movie (it appears five times: 52:38, 1:06:00, 1:06:40, 1:07:13, 1:07:22)
The back of the DVD case has another picture of the locker, looks like a Wormy Packages sticker is also there
Here is a closeup of the pic on the back of the DVD case:
