Exodus 4:3
And he said, Cast it on the ground. And he cast it on the ground, and it became a serpent; and Moses fled from before it.
Torrey's Topical Textbook—AKJV

Exodus 7:10
And Moses and Aaron went in to Pharaoh, and they did so as the LORD had commanded: and Aaron cast down his rod before Pharaoh, and before his servants, and it became a serpent.
Torrey's Topical Textbook—AKJV