Example of things that can be in a moving box?

Picture a Gorilla moving from her house and holding a packed box like this:

The Gorilla being siddenly shocked by something throws the box up in the air, causing things to jump out of the box. What things could be in the box? Other than an old school Björn Borg-type tennisracket?
Thankful for suggestions.
https://youtu.be/-pbqqFgi5u4

The Gorilla being siddenly shocked by something throws the box up in the air, causing things to jump out of the box. What things could be in the box? Other than an old school Björn Borg-type tennisracket?
Thankful for suggestions.

"Mostly I think that people react sensitively because they know you’ve got a point"
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2016: Lexington and Wrigley 1
^^^That guy, smaller version.
This little chickybitch came in a box
Not today Sir, Probably not tomorrow.............................................. bayfront arena st. pete '94
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memories like fingerprints are slowly raising.................................... first niagara center buffalo '13
another man ..... moved by sleight of hand...................................... joe louis arena detroit '14