Disney Baby Music & Lights Walker (Branchin' Out) The Music & Lights Walker is the perfect for kids to learn how to have fun and go just like mom or dad! Put your little one in the driver's seat with the Disney Music & Lights Walker by Safety 1st. They'll love the interactive Cars-themed toys featuring both sounds and lights that let them imagine they've taken a trip to Radiator Springs. The oversized snack/play tray features the Disney characters your child loves so well!