New power ‘flexible power unit’- Compatible with existing products with variable wheel base (excluding some models)- New power can replace the battery without removing the body- A single button battery achieves the same torque and running time cost performance as the previous product (2 batteries)Set content:Toyota SORA Tokyo Metropolitan Transportation Bureau specifications x 1Dedicated power unit E1Bus stop unit E1* Parts are user-installed (bus stop selectable)* 1 dedicated sticker for bus stop sign is included.Approach road for bus stop S70-RO (3 roads)Curved road C140-30-RO (6 roads)Curved road C103-30-RO (6 roads)Road / wide tram rail common joint E24*Used when combined with TOMIX wide tram rail.