GraviTrax Junior Trax Extension — Themed Marble Run Expansion (Ages 3+)

GraviTrax Junior Trax Extension gives children from age 3 a child-friendly introduction to themed marble track worlds. This interactive marble run extension lets kids decorate and build their own themed play worlds, combining building with imaginative role play. It supports motor skills and spatial thinking through free design of ball tracks and lets children explore rolling behavior to experience cause and effect. Sets and extensions can be added to expand and redesign tracks for lasting play fun.