Fun for GIRLS & boys: LEGO Building Challenge: Machines + Paper. How to build a working LEGO paper crimper and a machine that draws circles.
Homemade Wigglebot - A First "Robot" - Step-by-step picture tutorial for this great first robotics project.
Make Your Own Robot! 9 awesome, easy to make robots that are so much fun to make. Click picture to see robots and instructions. Part of a robots homeschool unit study.