Look at each image for 3 seconds and pick what popped out first. There's no right answer — it's just fun.
Three classic optical illusions that fool (and delight) everyone. What your brain spots first says a little about how you think — it's just for fun, promise.
Look for 3 seconds: what popped out first in the image?
Does this wireframe cube look like it's seen from above or from below?
Is this staircase going up toward you or down away from you?