• NOTE:This set doesn't include a battery box. It's an add-on pack for motor sets, just for replacing missing train motors or remotes.
• NOTE:This wheel cannot be paired with a wheel skin and the wheels are gray and black randomly！！！！
• Kit includes 3 train motors 88011, infrared receiver, motor controller,Technical Features Motor kit is compatible with leading brands.
• Kit includes 5 pieces of professional block building tools.
• Note: Batteries not included.