What are some artifacts in diary of a part time Indian?

In "The Absolutely True Diary of a Part-Time Indian" by Sherman Alexie, notable artifacts include Junior's drawings, which reflect his thoughts and emotions throughout the story, and his Basketball jersey, symbolizing his aspirations and identity. The diary itself serves as a critical artifact, representing Junior's struggles with poverty, identity, and belonging. Additionally, the various letters and notes exchanged between Junior and his family or friends highlight the themes of connection and communication within his experiences.