Ravensburger Marble Run GraviTrax POWER Starter Set 27274 7 (Slope Toy) (GraviTrax Power)

[What is GRAVITRAX] It is a track system where you can build a course with your own original design and run the ball. You can create various courses with free ideas, and you can enjoy original courses using expansion sets and additional parts. Children naturally acquire creativity and logical thinking skills while playing. The GraviTrax POWER series is a new series that allows you to operate parts with a wireless controller and create courses that the ball will automatically run. Target age: 8 years old and up This is a starter set that allows you to experience the charm of GraviTrax POWER. Contains two additional parts (controller and switch) that work together. Target age: From 8 years old, Set contents: 150 pieces, uses 3 AAA batteries (sold separately) It is compatible with the existing GraviTrax series, so you can play with your existing GraviTrax products.