Send your GraviTrax experience rolling into a new level of intrigue!
GraviTrax is a unique marble-run system featuring hexagonal risers and track tiles that simply fit and stack together, rail-tracks that hook into place, and stunt pieces that add exhilarating twists and turns.
And with this expansion set - full of unique curving tunnels, drop tubes, and more - Those twists and turns become even more exhilarating!
Take the amazing power of gravity to the next level with the GraviTrax Tunnels Expansion set.
GraviTrax Expansion - Tunnels
Set of tunnels and accessories for enhancing your GraviTrax adventure
Encourages fine motor skills, spatial reasoning, logic, creativity, planning, problem-solving
Add a unique twist of fascination to every twist and turn!
Build wider and further with the 2 extra base plates
Race faster with the 2 Bernoulli rails and 2 o-rails
