Pebbles
The unifying theme here is size and shape. Glen's Pebbles, are larger than those a child might bring home. Hopefully you won't take one these and skip them into a lake. Unless; you wish to use it, for just such a sacrafice.
Click a pic to see the full image with stats. Once there, the stones are easily paged through one at a time by using the chisels to go backward and forward. Or click the Image between the chisels to return here instead.
These "Thumbnail pages" are also linked to each other, (in a loop), and you can page through them using the chisels.