Download the icon set.

This set is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License. That means you can use them and/or modify them but you must credit me and you cannot use these commercially.  In addition, if you modify them, you need to share the new ones with the whole class and provide attribution if you decide to use the modified ones anywhere.

Should you want to sell or include these icons in a commercial project, you may purchase a commercial license for Tweeties, either Single Use for $29.00 or Unlimited Use for $49.00.

Licensing Options

Single Use License $29.00 Unlimited Use License $49.00

Tweeties by Chris Wallace is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License.
Based on a work at www.chris-wallace.com.
Permissions beyond the scope of this license may be available at http://www.chris-wallace.com/licensing.