Ravensburger GraviTrax PRO Vertical Expansion Set spelling easy to set up—just add

easy to set up—just add your own sarcasm

Encourages physical activity and imaginative role play

and party groups with easy-to-learn rules

and cooperative play with siblings or friends

and grow through play

Ravensburger GraviTrax PRO Vertical Expansion Set spelling easy to set up—just addTake Your Tracks to New Heights Elevate your marble run experience with the GraviTrax PRO Extension Vertical. This advanced expansion set is designed for builders who want to push the boundaries of physics and creativity by building higher and more complex structures than ever before. With 33 specialized pieces, including pillars and walls, you can create multi dimensional tracks that defy gravity. This set allows you to optimize your building space