Teachers, Parents, Students and All Others

This site is here to explore and present optical illusions. If you have any suggestions to improve this site or a particular illusion you would like researched and presented here, please contact me.

If you have self-created illusions that you or your class brought to life, contact me and I will let them live here for all to enjoy.

If you are 13 years old or younger and wish to have your work displayed here please talk with your parents and have them send it to me with their permission.


Privacy Policy

Optical Illusions 4 Kids (OI4K) is an educational website about optical illusions. While we encourage children to engage in our website, we also wish to educate parents and kids about issues of privacy when visiting our site.

What Information is Collected?
Optical Illusions 4 Kids (OI4K) currently does not collect any personally identifiable information from children who visit the site. Nor is any personal information collected from IP addresses, log files or other backend systems. OI4K may collect certain aggregate data, such as the number of users who visit the Web site, and may share that data with partners and advertisers.

If OI4K adds features that involve the collection of personal information (such as electronic greeting cards, newsletters or bulletin boards), these features will comply with the Children's Online Privacy Protection Act of 1998 ("COPPA"), and there will be a parental consent process in place. This Privacy Statement will be updated if these features are added, so please periodically review this page

E-mail — collection of personal information
We will only record your e-mail address if you send us a message. It will only be used for the purpose for which you have provided it and will not be added to a mailing list. We will not use your e-mail address for any other purpose, and will not disclose it, without your consent.

Cookies are used to gather basic tracking information and to monitor the presentation of advertisements and are placed on your hard drive by many major websites. Cookies allow websites to determine the type of computer operating system and browser that you and other viewers are using, which enables websites to improve access to content.

Information collected through cookies on OI4K does not include any personal information, nor is it shared with outside third parties.

Most browsers are initially set to accept cookies. If you prefer, you can set yours to refuse cookies and still have full access to our content.

Third-Party Sites
Our site contains links to other sites whose information practices may be different from ours. Visitors should consult the other sites' privacy notices, which may differ from ours.

Most links on Optical Illusions 4 Kids (OI4K), not listed in the Optical Illusions Tag Cloud in the sidebar, are to external sites. By following a link to an external site you will be leaving the OI4K website.

When last reviewed, the websites linked from OI4K seemed suitable for you to visit, but that may have changed; if you have any difficulties or concerns with any linked materials, please let us know.

Some of our advertising partners may use cookies and web beacons on our site. Our advertising partners include Google Adsense, Chitka.

These third-party ad servers or ad networks use technology to the advertisements and links that appear on OI4K send directly to your browsers. They automatically receive your IP address when this occurs. Other technologies ( such as cookies, JavaScript, or Web Beacons ) may also be used by the third-party ad networks to measure the effectiveness of their advertisements and / or to personalize the advertising content that you see.

OI4K has no access to or control over these cookies that are used by third-party advertisers.

You should consult the respective privacy policies of these third-party ad servers for more detailed information on their practices as well as for instructions about how to opt-out of certain practices. OI4K's privacy policy does not apply to, and we cannot control the activities of, such other advertisers or web sites.

If you wish to disable cookies, you may do so through your individual browser options. More detailed information about cookie management with specific web browsers can be found at the browsers' respective websites.

We can make sure that you're safe on Optical Illusions 4 Kids (OI4K), but we can't watch out for you on other Web sites. So when you leave OI4K to go to another Web site, check with your parents -- especially if that Web site asks for any personal information about you or your family.

Let your parents know every time someone asks for your personal information online, even when it's a friend. Your parent will tell you when it's OK to give out your personal information. It's better to be safe than sorry, so always ask first!

Most of all, we want you to have fun and stay safe online!

Other Questions? Click here to send an e-mail.


Anonymous said...

Thanks for sharing the link, but unfortunately it seems to be offline... Does anybody have a mirror or another source? Please reply to my post if you do!

I would appreciate if a staff member here at opticalillusions4kids.blogspot.com could post it.


Walt said...

What link are you referring to?

Anonymous said...


I have a question for the webmaster/admin here at opticalillusions4kids.blogspot.com.

May I use some of the information from your blog post right above if I give a link back to your website?


Copyright Notice
The documents distributed here have been presented on this blog in the spirit of providing an entertaining venue to educate those interested in optical illusions.

All Flckr.com photos are presented here via Flckr's "blog this" feature. This feature is enabled by each artist on Flckr. If you find material here that belongs to you and you would like to have it removed or credited please contact me and I will gladly follow your wishes.

Copyright and all rights therein are maintained by the authors or by other copyright holders. It is understood that all persons copying this information will adhere to the terms and constraints invoked by each author's copyright. These works may not be reposted without the explicit permission of the copyright holder.