God, I love optical illusions – the mind-screwier the better. Anything that can trick me into seeing something out of the ordinary is a-OK in my book.

If you feel the same way, these animated illusions are right up your alley. No, you are not being deceived. What you’re about to see is created by the simple action of dragging a printed transparency sheet across another printed sheet. Really. Freaking. Awesome.

And before you ask, creator brusspup wants you to know that the cute kitty that makes an appearance is Hyder, who they found hiding in a hole in a field. She seems entertained.

Check it out below:

If you want to create these illusions on your own time, brusspup has made the templates available for download right on the YouTube video page.

[h/t Gizmodo]