What the heck is this?

[RED]

53022

Got it in the mail today. Looks like some kind of puzzle I have never seen before. Why me? I am 100% positive I did not order anything even close.

Any ideas?

[Allen]

Donno but you're not a member of "Vine" are you?

http://stiltonsplace.blogspot.com/

Friday, March 24, 2023 (select older post at the bottom).

[lyman]

looks like the soft foam blocks a florist uses to make arrangements

[Major Tom]

Me thinks it's a prank?

[Vern Humphrey]

Plastic explosive! If it's ticking, get the hell away from it!

[RED]

looks like the soft foam blocks a florist uses to make arrangements

Except it is made out of hard plastic!

[Major Tom]

Look at the return address and contact them?