GraviTrax Lift dolls our roly poly cub boasts

our roly poly cub boasts a realistic appearance

One size fits most

Enter this peaceful paradise and indulge in a well-deserved break as you relax with Ravensburger's "Amazing Nature" jigsaw puzzle

Template designs include colorful dinosaurs

GraviTrax Lift dolls our roly poly cub boastsThe Extension Building contains many different basic components to extend the marble run. Combined with any GraviTrax starter set, the Extension Building brings even more variety and ball fun to the GraviTrax universe. How much longer can the ball roll with the new elements? GraviTrax is a flexibly expandable, interactive marble run system for children aged 8 and over: With GraviTrax, children, teenagers and adults don't just build simple marble runs.