Per https://scratch.mit.edu/terms_of_use §4.3: "All user-generated content you submit to Scratch is licensed to and through Scratch under the Creative Commons Attribution-ShareAlike 2.0 license. …"
Licensing
This image or video file represents content which has appeared on the Scratch programming language website (https://scratch.mit.edu/). According to the terms of use in sections 4 to 5 for that website, all content added and support materials are available under the terms of the Creative Commons Attribution-ShareAlike 2.0 Generic license, with the exception of third-party copyrighted materials that was not made by the user and Scratch trademarks (including the Scratch Cat and Gobo characters). This image is being used in accordance with those terms of use on Wikimedia Commons.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This file contains a specific depiction of a non-free work, such as a character, sculpture or backdrop, that was intentionally released under a free license or into the public domain by or with permission from the copyright holder or their legal heirs, whether in accordance with their own wishes or as per a collaboration deal requiring them to do so. Such depictions do not imply that other depictions are freely licensed.
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This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required.See Commons:Licensing.
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