Small smooth stone that changes with the seasons.

Spring:

Pollen covers the stone and can’t be wiped off, in addition plants grow and bloom in it’s presents.

Summer:

Moss has grown on the stone and can’t be removed.

Fall:

Plants slowly wilt away around the stone.

Winter:

Frost always covers the stone and can’t be removed. When touched frost creeps up from the point of contact dealing cold damage.