If you are interested in building programmable lego robots (grades 3-5), please email Ms. Blake at ablake@bostonpublicschools.org. I have a few new sets of Lego MIndstorms EV3.
Getting started:
What is Lego MIndstorms EV3, what can you do with it?
Get familiar with parts of the kit: brick, sensor, cables
Legoeducation.com video tutorials: 1. the EV3 Brick
Learn to program with EV3: video tutorials for tablets, Mac and PC
Building descriptions and program descriptions for EV3
Lessons by the Seshan brothers http://ev3lessons.com/en/