You and your goddamn brain!
Some aren’t impressive at all.
- If you stare at a color you’ll start seeing its complementary color after a while.
- The triangle without the square is slightly smaller if you pay attention.
- She always spins clockwise.
- It changes direction.
10 and 12 are based on the same idea as 9 and 1 respectively, though I don’t get 9 at all.
I’ve actually seen all of them before except 8 and 9, 8 is some weird shit 
. Probably has something to do with shadows?
Well, it’s not like this can be pinned down objectively. Some will find them impressive, others will not. But no one is either right or wrong to find them one way or the other.
Sort of like how no one is ever right or wrong in expressing any particular moral or political narrative. But that is an illusion of a different sort.