I visited Rollyo, and loved how simple it was to create my own little searchroll. I made one for the different sites I have listed as good sources for primary source research for my 8th grade students doing History Projects. Here it is:
I think these Rollyo searchrolls could be really valuable to add to my library webpages for different topics or themes. My only objection is all the interspersed ads. I wish I could have the same thing without the ad listings.