Idea of Age Icon
The appears the be a calendar or notepad. It is a square with two triangles on it. One triangle points up and there is another triangle directly under it that points down. Both triangles are the same size as each other. There are two pegs on the top of the image.
This is the Age icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.