GraviTrax - Building Expansion humidifier track and save your unborn

track and save your unborn baby’s heartbeat

Multiple features make mealtime easier than ever

the Cabana provides all-weather protection from the sun

4-in-1 Design – Transitions from rear-facing to forward-facing harness and high-back booster

GraviTrax - Building Expansion humidifier track and save your unbornExpand your possibilities! The Building Expansion offers over 25 additional elements to expand your track vertically. Youll increase the action when increasing the height of your run. Experiment with the combination of height tiles, base plates, freefalls, switches and even another level. See how high you can build your track before getting the marbles to the finish. GraviTrax Starter Set required. Contents 2 Base Plates, 1 Transparent Level, 8 Large