pipe cleaner mitosis
Create your own jeopardy online without using PowerPoint
Khan Academy -- "thousands of 10-minute (or less) videos on topics in math, science, economics, and history. Amazing. The iPad app is even more epic."
DIY articulated hand
history through the eyes who lived it - great resource
Barbie Bungee Math
McDonald's presents Romeo & Juliet in 38 seconds
HIstoryPin - pin your history to the world - cool!!