“Tax_Ninja” is a proud parent via Reddit.

My kid designed his own scientist costume for career day (including the “to do list”). I feel like I’ve succeeded as a parent.

Could be a cover for MAKE or a poster for a Calvin and Hobbes movie – Tax_Ninja if you see this, email me – we’d love to send you out a Maker’s notebook!

Update, found them! Here’s a blog post.