1 Samuel 6:5

3They said, “If you send away the ark of the God of Israel, don’t send it empty; but by all means return a trespass offering to him. Then you will be healed, and it will be known to you why his hand is not removed from you.”

4Then they said, “What should the trespass offering be which we shall return to him?” They said, “Five golden tumors and five golden mice, for the number of the lords of the Philistines; for one plague was on you all, and on your lords.

5Therefore you shall make images of your tumors and images of your mice that mar the land; and you shall give glory to the God of Israel. Perhaps he will release his hand from you, from your gods, and from your land.

6Why then do you harden your hearts as the Egyptians and Pharaoh hardened their hearts? When he had worked wonderfully among them, didn’t they let the people go, and they departed?

7“Now therefore take and prepare yourselves a new cart and two milk cows on which there has come no yoke; and tie the cows to the cart, and bring their calves home from them;