1 Samuel 6:5 WEB

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

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

⁵  Therefore 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: peradventure he will lighten his hand from off you, and from off your gods, and from off your land.

⁶  Why 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 cattle, on which there has come no yoke; and tie the cattle to the cart, and bring their calves home from them;