When was the last time you surrendered more than a fleeting second to a print ad? If well crafted, it shouldn’t require any more than that, just a moment for your eyes to scan the page and revel in the perfect balance between image and written word.

This Ford print ad, however, has the audacity to demand a full 30 seconds of your time as it uses a clever, albeit simple, optical illusion to demonstrate the Park Assist feature in their Ford Explorer. And the most surprising part of it all? You’ll relinquish those 30 seconds without hesitation.