Shown on the altar now: A rectangular wood box and an acorn shaped box given to him by us. A dried green leaf from our mulberry tree. A black walnut. A rock from the Indiana Dunes. His "owl nut". Acorns. An evil eye necklace from Grandma. A cicada carapace. and "tree pom poms".
Since winter has just started in earnest, the picture that I took today is more fall in theme. He knows that if he picks up some treasure and puts it in his pocket he can place it here, and he loves that. From time to time, we also talk about the seasons and bring out his altar items and what they mean and how they connect to the holidays of the year.