Ravensburger GraviTrax Accessory Ball Box

This set includes more balls for even more ball track fun as well as cool storage boxes for existing GraviTrax balls. The Accessory Ball Box is a must for all GraviTraxers! The four boxes are designed in the cool design of the GraviTrax height stones and in the colors green, gray and white. Two of the boxes are already filled with a total of 12 silver and colorful GraviTrax balls that get the track action rolling. The other two boxes serve as an ideal storage option for existing balls. 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. They create unique marble run worlds. By freely designing the marble runs and researching the rolling behavior of the balls, the understanding of science is sharpened and gravity can be experienced first hand. The GraviTrax universe includes three exciting lines - CORE, PRO and POWER. All GraviTrax lines and products can be freely combined with one another. The GraviTrax universe can be expanded infinitely through countless extensions with classic building elements or stones that enable special action and tricks. This way, everyone can tinker, try out and build beyond themselves.