On the Go is Barbie® doll's first-ever track system built to inspire new ways to play! Barbie® doll and her friends really move with motorized ponies, cars and scooters -- and they stay on track for play set storytelling. With a 4-inch size, these Barbie™ On the Go small dolls are designed for big imaginations. Each doll is compatible with all of the play sets, tracks, vehicles, ponies and other toys in the line (sold separately, subject to availability). Plus, adorable bobble heads bring their personalities to life in a dynamic, collectible scale. The On the Go small dolls wear bright, colorful clothing: tops with different patterns and decals, pants or shorts and matching shoes or sneakers. Young minds can play out so many fun stories and dream big with these versatile dolls. Collect all of the Barbie™ On the Go Dolls and play sets to expand the possibilities because you can be anything with Barbie®! Includes 4-inch doll. Each sold separately, subject to availability. Colors and decorations may vary.