STEAM at Drew Charter http://steamatdrew.weebly.com/steam-trunks.html
Copper Tape & Circuit Tutorial
Copper Tape & Circuit Tutorial How-to
SparkTruck Tool Cards
SparkTruck Tool Cards http://sparktruck.org/toolcards
Getting Started with Arduino
Getting Started with Arduino http://arduino.cc/en/Guide/HomePage
Learn at SparkFun Electronics
Learn at SparkFun Electronics https://learn.sparkfun.com
Adafruit: Learn
Adafruit: Learn https://learn.adafruit.com