Keep the Illusions Spinning
Every illusion on Opticalillusions.com is drawn from scratch and free to explore. If one made you look twice, a small tip helps us keep drawing new ones, along with free printables and tools for families and classrooms.
A Double Take
$3
Enough to make us look twice. A quick thank-you for an illusion that got you.
Opening soonA Mind Bender
$7
Covers the time it takes to draw, test and explain a new illusion.
Opening soonA Full Spin
$15
A big boost for new illusions, printables and free tools like the weather stereogram.
Opening soonAfterimage
$3
A small monthly tip that lingers, like an afterimage. Cancel anytime.
Opening soonTipping is opening soon. Until then, buttons show “Opening soon”. As a thank-you, every supporter gets a 5% shop code, good for 30 days anywhere in our shop, and a printable illusion you won’t find anywhere else on the site.
Where your tip goes
Tips pay for the time it takes to design, test and explain each new illusion, and for keeping the site fast and free. Looking for monthly perks like members-only stereograms? See the Illusion Insiders Club. Prefer something to wear? Browse the shop.