The implements for the temple and sacrifices are already created and awaiting a temple.
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The rebuilding of the Holy Temple: In our time?

The reality of the Jewish experience means that the Temple will be rebuilt. Many people who visit the Temple Institute are incredulous and cannot help but exclaim: "Do you really think that you will live to see the Holy Temple rebuilt?" The answer to that question is of little importance. Let us rather recall that Jewish history has a trajectory, which began when the patriarch Abraham smashed his father's idols. That trajectory has spanned the millennia, and it is obvious that we are rapidly approaching climactic times, in which the Holy Temple will once again become the focal point for mankind's spiritual focus. Whether this transpires in our generation or not, we can still choose to be active participants, and not simply spectators, in G-d's bold plan for the Redemption of Israel and all humanity.
-----------excerpt from the Temple Institute Statement


[link to templeinstitute.org]