Plywood Structure-03 Imai Hospital Affiliated Daycare Center is a notable example of innovative timber construction completed in 2001 in Odate, Akita Prefecture. Designed by renowned architect Shigeru Ban, this childcare facility exemplifies Ban's pioneering use of plywood as a primary structural material. The building demonstrates how sustainable and economical materials can create functional, dignified spaces for vulnerable populations. Its thoughtful design balances practical requirements for child welfare facilities with architectural innovation, making it a significant reference point in contemporary Japanese timber architecture and social infrastructure design.