Google is testing showing two rows of the popular products section on desktop. Brodie Clark shared a video of it on Twitter and it is really really big - it takes up a lot of the search results page.
Brodie Clark wrote "Whoa, check out this Google Search test I stumbled across. The Popular Products unit is showing an additional row on desktop, also featuring a pop-up to quickly sort through options. I've seen this in several forms in the past – but this combination is more visible."
Here is the GIF of it:
I do see Google pushing more and more products in search a lot this year so this doesn't really surprise me too much.
Forum discussion at Twitter.