It's not a stone, it's a light

Maybe you are common with wandering stones, these small and colorful painted stones you can find along hiking trails. You see them and take them a few miles with you for a hike. The next hiker does the same, so the stone can have a wild and long ride...

This one is special, because the writing says it's not a stone, it is a wandering light... Take it to light up your trail!