Extend your marble run with the Extension Bridges set, which contains many components to lengthen and diversify your GraviTrax builds. Combined with any GraviTrax starter set, the Extension Bridges brings more possibilities and ball fun to the GraviTrax universe. GraviTrax lets builders design unique marble-run worlds, explore rolling behavior, and experience gravity firsthand. The GraviTrax universe includes CORE, PRO and POWER lines, and all GraviTrax lines and products can be freely combined and expanded.
Experienced Marble Runs
GraviTrax Extension: Bridges
$14.50
Extend your marble run with the Extension Bridges set, which contains many components to lengthen and diversify your GraviTrax builds. Combined with any GraviTrax starter set, the Extension Bridges brings more possibilities and ball fun to the GraviTrax universe. GraviTrax lets builders design unique marble-run worlds, explore rolling behavior, and experience gravity firsthand. The GraviTrax universe includes CORE, PRO and POWER lines, and all GraviTrax lines and products can be freely combined
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