Acts 19:26

And you see and hear that not only at Ephesus, but in almost the whole of Roman Asia, this Paul has convinced and won over great numbers of people, by his assertion that those Gods which are made by hands are not Gods at all.

Acts 19:35

When the Recorder had succeeded in quieting the crowd, he said: "Men of Ephesus, who is there, I ask you, who needs to be told that this city of Ephesus is the Warden of the Temple of the great Artemis, and of the statue which fell down from Zeus?

1 Corinthians 10:19-20

What do I mean? you ask. Than an offering made to an idol, or the idol itself, 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 at Ephesus, but in almost the whole of Roman Asia, this Paul has convinced and won over great numbers of people, by his assertion that those Gods which are made by hands are not Gods at all.
1 Corinthians 10:19
What do I mean? you ask. Than an offering made to an idol, or the idol itself, is anything?