Exodus 7:2-12 NIV

2 You are to say everything I command you, and your brother Aaron is to tell Pharaoh to let the Israelites go out of his country.
3 But I will harden Pharaoh’s heart, and though I multiply my signs and wonders in Egypt,

References for Exodus 7:3

4 he will not listen to you. Then I will lay my hand on Egypt and with mighty acts of judgment I will bring out my divisions, my people the Israelites.

References for Exodus 7:4

      5 And the Egyptians will know that I am the LORD when I stretch out my hand against Egypt and bring the Israelites out of it.”

      References for Exodus 7:5

      6 Moses and Aaron did just as the LORD commanded them.

      References for Exodus 7:6

          7 Moses was eighty years old and Aaron eighty-three when they spoke to Pharaoh.

          References for Exodus 7:7

          Aaron’s Staff Becomes a Snake

          8 The LORD said to Moses and Aaron,

          References for Exodus 7:8

              9 “When Pharaoh says to you, ‘Perform a miracle,’ then say to Aaron, ‘Take your staff and throw it down before Pharaoh,’ and it will become a snake.”

              References for Exodus 7:9

              10 So Moses and Aaron went to Pharaoh and did just as the LORD commanded. Aaron threw his staff down in front of Pharaoh and his officials, and it became a snake.
              11 Pharaoh then summoned wise men and sorcerers, and the Egyptian magicians also did the same things by their secret arts:

              References for Exodus 7:11

              12 Each one threw down his staff and it became a snake. But Aaron’s staff swallowed up their staffs.