The mitzvah of the day goes to Sylvia Martinez and Gary Stager for offering a free Kindle version of their recently published and wildly helpful guide for makers and educators, Invent to Learn: Making, Tinkering, and Engineering in the Classroom!
I’m quoted on page 101 in the book, by the way. I talk about how we have used 3D printers at The School at Columbia University. 🙂
Click here for the link: http://www.inventtolearn.com/free/
Karen Blumberg 