Exodus 4:2-4

New King James Version

² So the Lord said to him, “What is that in your hand?”

He said, “A rod.”

³ And He said, “Cast it on the ground.” So he cast it on the ground, and it became a serpent; and Moses fled from it. ⁴ Then the Lord said to Moses, “Reach out your hand and take it by the tail” (and he reached out his hand and caught it, and it became a rod in his hand),