Rokenbok R/C Monorail with Track and Crossing (Old version, only works with Classic wired radio control system) Modular- interacts with all Rokenbok Rokenbok is unique and Brings Families together Rokenbok Sharpens Cognitive Thinking, Refines Motor Skills, Promotes Social Skills and Cooperative Play, and Enhances Creativity Rokenbok is Winner of over 40 Awards Radio controlled, interactive and expandable