Just be a bit careful when pulling the black cardboard box out of the brown cardboard box. There is something that could, potentially, tear off. I made it perhaps too tight a fit. So feel free to cut the brown box apart.
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I’ll say that the fit is tight!
A card was atop the black box upon opening the cardboard box:
And upon carefully cutting apart the cardboard:
I discovered a Contraption:
Clearly, this will require some tea!