"Pulsating Seizure Pink Floyd Illusion optical illusion" - the combo to which I have tripped ~:)
" The Sleeping Tiger" by willustration. - (How many tigers do you see?) Also, if you look just right, the entire design makes a tiger stalking straight towards you!
Vintage Pre-9/11 NYC WG Souvenir Motion Illusion Picture Night Light w/ WTC EUC #Vintage