This policy is valid from August 2018.

STEMCHALLENGE.com is a personal site, written and edited by me. For questions about this site, please contact Kerry Tracy at [email protected].

I, Kerry Tracy, am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.

That said, I only recommend items I believe in and have found useful. Furthermore, the compensation received will never influence the content, topics or posts made in the blog, or anywhere else on the site.

For more details, see the Privacy Policy.