Acts 19:26

And you see and hear that not only in Ephesus, but in almost all of Asia, this Paul has persuaded and turned away a considerable number of people, saying that gods made with hands are no gods at all.

Acts 19:35

And when the town clerk had quieted the crowd, he said, "Men of Ephesus, what man is there after all who does not know that the city of the Ephesians is guardian of the temple of the great Artemis and of the image which fell down from heaven?

1 Corinthians 10:19-20

What do I mean then? That a thing offered to idols is anything, or that an idol is anything?

Treasury of Scripture Knowledge

Summary

Their idols are silver and gold, the work of men's hands.

Bible References

Their idols

Acts 19:26
And you see and hear that not only in Ephesus, but in almost all of Asia, this Paul has persuaded and turned away a considerable number of people, saying that gods made with hands are no gods at all.
1 Corinthians 10:19
What do I mean then? That a thing offered to idols is anything, or that an idol is anything?