At the shop today I was beginning to plan what handmade items to showcase for Father’s Day so it got me going through my notes for clay versions to use online, as well. This tutorial by Amanda Formaro calls for salt dough but for us polymer clayers, I’d use polymer clay. I’d probably even cover a small tile or other solid, heavy piece to use as a base for the project and then marble some good rock colours for the base.
As with embedding anything in clay – after you’ve cured the clay, pop the decorations off if they’re loose and glue them in. If you’re planning on using this outside I’d definitely give it a few good coats of the outdoor formula sealers (or even the indoor ones).