STEM / STEAM sites

http://pbskids.org/designsquad/

http://www.exploratorium.edu/explore

http://www.funology.com/

http://kids.nceas.ucsb.edu/

https://kids.usa.gov/

http://www.kidsciencechallenge.com/#/home

http://spaceplace.nasa.gov/

http://kids.nationalgeographic.com/

http://www.firstinspires.org/robotics/flljr

http://meetthegreens.pbskids.org/

https://www.tynker.com/

http://imagination.org/our-projects/cardboard-challenge/

Simple machine Stems

https://www.titlemax.com/resources/a-guide-to-simple-machines-used-in-cars/

Maker Movement in Eduaction / Maker Space

http://makered.org/resources/

http://www.instructables.com/

http://makezine.com/

https://www.youtube.com/watch?v=1osdnKzj-1k

https://www.makewonder.com/

Game Makers:

 http://www.sploder.com/

https://gamestarmechanic.com/

Video Makers:

https://animoto.com/