Being green is red-hot right now, so it’s not surprising how many emails we get asking how kids can do ultra-cool science fair projects on alternative energy.  One of the best ways to start is to visit a toy store and pick up a kit that has a solar cell, solar motor, and propeller combination.  Once you have these items, it’s easy to power things like race cars, solar boats, etc.  Here are a few images from our own Solar Power science fair project kit to get you started on ideas: