The VTech Go! Go! Smart Wheels Traffic Signal Bridge is the perfect addition to your child's Go! Go! Smart Wheels collection. This playset comes with one traffic light, four track pieces, and a bridge that can be reconfigured and connected with other Go! Go! Smart Wheels playsets (sold separately). The traffic light teaches colors, traffic rules, and opposites so your child can have a fun and educational experience through pretend play. For added interactivity, the toy also recognizes Go! Go! Smart Wheels electronic play vehicles (sold separately).