Video ads in a block
Video ads increase the effectiveness of the ad space. This format is available for all the site types except AMP.
You can place video ads in a block along with your Text & Image Ads and display ads. To add a video ad to an ad block, click Add format during the Ad formats step when creating or editing an ad block with the visual code designer.
The minimum block size is 320 x 180 pixels. Video ads will not be displayed in smaller blocks.