Windows/Mac/Linux: Programming an Arduino isn't especially difficult, but if you're looking for a more visual method, Scratch for Arduino (S4A) uses MIT's Scratch as a groundwork for teaching kids ...

Get started in electronics and programming, with this Arduino and Raspberry Pi training bundle. This nine-course bundle prepares you for both approaches for $69.99, 96% off the $1800 MSRP.

A new Arduino Scratch programming extension has been released this week for the Arduino platform as an experimental option, that communicates with the Firmata firmware on an Arduino boards.