- The Marunouchi Line 500 series from its heyday, representing the Eidan subway era, has been commercialized at an affordable price. Reproducing the form of the 500 model from the 1980s
- The red car body, contrasting white belt, and signature curved decorative belt were all the rage. Accurate reproduction of nostalgic design
- Adoption of a slotless motor realizes even smoother and quieter running performance
- Basic set 705 and 664 have headlights/taillights and front destination display "Ikebukuro" lit. "Ogikubo" is included for destination display replacement.
- The intermediate connection part is equipped with a body-mounted KATO coupler as standard. Realizes a realistic connection surface and smooth running
- Uses a special packaging with a design of an underground tunnel and distinctive red car body.
- Compatible with interior lighting kit 11-211 (11-212)