A new rock collecting craze is brightening up daily walks for young and old in Aberfoyle and Kinlochard.Painted and decorated rocks are being left around the area as a treasure hunt for those taking part in their exercise around the area, with numbers on each rock allowing people to post their finds to an online page with a growing community.The Eve Rocks Facebook page is the brainchild of six-year-old Eve Alderman from Kinlochard, in conjunction with her mum Sarah.And the hunt has helped fill the void for Eve after a big charity trek planned for the first two weeks of March was cancelled due to the Covid-19 outbreak.Sarah told the Observer: “Basically, the lockdown happened and Eve was a bit sad about it all and not being able to get out