Fill condom with purple fluid.
Bring purple fluid upstairs.
Use fluid on glue.

>Use fluid on glue.
Ruby fumbles with the condom, rather unfamiliar with these things, and finally tears it open a bit harder than she intended to.
Thankfully she avoids contact with the purple stuff and it spills all over the glue. It doesn't damage the box, but the glue dissolves rapidly.

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