In the afternoon, I highly recommend The Railway Museum in Saitama. It’s an incredible, massive space where you can actually step inside historic carriages to see how they’ve evolved over the years. The top-floor exhibits offer a deep dive into the history of Japanese rail, and the outdoor area even lets you try driving mini trains! It’s a full experience with great cafes on-site—as a train enthusiast myself, I find there’s always something new to explore there.

Alternatively, if you’d prefer something more traditional and calm, Musashi Ichinomiya Hikawa Jinja is a beautiful historic shrine. It’s set within a stunning park with water features full of koi, turtles, and ducks. The sense of peace and tranquility there is wonderful, making it a perfect spot to slow down and enjoy the scenery together.

Hard Off is one of Japan's most recognizable second-hand retail chains, specializing primarily in electronics and "hardware." While many visitors often confuse it with Book Off, they are actually separate companies that frequently collaborate to share retail space.

1. What Each "Off" Store Sells

The Hard Off Group operates several specialized sub-brands. You will often see multiple versions in a single building (sometimes called an "Eco Town"):Hard Off: The main brand. Focuses on electronics, computers, audio equipment (amplifiers, turntables), musical instruments (guitars, keyboards), cameras, and watches.

Hobby Off: Dedicated to toys, figurines, plastic models (Gundam), trading cards, and collectibles.

Off House: Focuses on household goods, including furniture, kitchenware, appliances, and high-end brand bags or accessories.

Mode Off: Specializes in clothing, shoes, and fashion accessories.

Garage Off: Deals with automotive parts, car stereos, tires, and bicycle accessories.

Liquor Off: Buy and sells alcohol, including rare whiskeys and vintage wines.

The term "treasure searching" (or "treasure hunting") is commonly used at stores like Hard Off because of the unpredictable nature of their inventory. Unlike a standard retail store where you know exactly what will be on the shelf, these shops rely on what locals have recently sold to them, making every visit a unique experience.