What are some material culture in Ender's Game?

In "Ender's Game," material culture is represented through advanced technology such as the Battle Room, where students engage in zero-gravity combat to hone their tactical skills. The use of personal devices like video screens for communication and training highlights the reliance on technology in their daily lives. Additionally, the design of the ships and military uniforms reflects the hierarchical structure of the Battle School, emphasizing discipline and uniformity. These elements collectively illustrate a futuristic society focused on preparation for interstellar warfare.