Josh Leibner notified me on Twitter of Google testing a out a new format for the Google Shopping Ads. In this format, Google is showing the ads for the stores and their prices for a product in a swipeable carousel card format.
Here are screen shots from Josh:
John wrote "seeing shopping ads looking like price extension card format on some very specific product queries."
I sent this first to Ginny Marvin and she wrote it up in more detail at Search Engine Land after speaking to Google.
Forum discussion at Twitter.