Ruler sitting on top of a black table next to a piece of paper with…

Open book with a drawing of a castle in the middle of it

Small white shell with a small hole in it on a black surface

Box containing three oyster shells on top of a table

Group of five shells from the Kennerlyia Convexa Dall

Bumblebee sitting on top of a white surface

Black obsidian stone on a white background

Small piece of clay with a ruler next to it on a white surface

Chinese carved wooden coat rack with a mirror on top of it