MakerEd - makered.org
Arduino - www.arduino.cc
Instructables - http://www.instructables.com
Adafruit - https://www.adafruit.com/educators
Sparkfun - https://learn.sparkfun.com/?_ga=1.124853578.1713932210.1431289086
Teach Engineering - https://www.teachengineering.org
KnowCards - http://know-cards.myshopify.com
PBS - Design Squad Nation - http://www-tc.pbskids.org/designsquad/pdf/parentseducators/workshop/workshop_notepad.pdf
Engineering K-5 Oregon State - http://steps.oregonstate.edu/engineering-k-5
National Geographic - http://education.nationalgeographic.com
Techbridge Girls - http://www.techbridgegirls.org/assets/files/what/ggt/Design%20Time%20sample%202014.pdf
Exploratorium - http://tinkering.exploratorium.edu/projects
Squishy Circuits - http://courseweb.stthomas.edu/apthomas/SquishyCircuits/BUILDINGCIRCUITS.htm
Curriculum for 3Doodler - http://the3doodler.com/curriculum
3Doodler ideas!!!! - http://the3doodler.com/community
National Energy Education - http://www.need.org/educators
Common Sense Media - https://www.commonsensemedia.org/educators/lesson/rings-responsibility-4-5