go HERE you can see all the details. If you do this, make sure you click on the small text that says See Details because there is a minimum character requirement for the reviews that you write. They really don't have to be that long though. I just reviewed five of my son's toys. Start out by registering with their site (link in the top right hand corner of the page), then make sure you are signed in when you write your reviews.
Thanks Money Saving Mom!