Made of high quality plastic and cardboard. This STEM system is an ideal one to teach kids about gravity, magnetism, kinetic energy and fun.
Ravensburger-GraviTrax Starter Looping Set
GRAVITRAX LOOPING
Ravensburger Gravitrax Looping
Ravensburger GraviTrax PRO Giant Set - Marble Run India
Optimized looping with slope - Gravitrax compatible by MK_Design
Ravensburger GraviTrax Loop Accessory - Add On Extension Accessory
GraviTrax Loop Expansion
Build Marble Run, The Loop, Launch More Marbles
GraviTrax - Brault & Bouthillier
Ravensburger GraviTrax Starter Set - Vertical
Gravitrax How To: infinite track on 1 base plate! With a step by
Build Marble Run, Looping Tutorial
GraviTrax: Loop, GraviTrax Accessories, GraviTrax
Optimized looping with slope - Gravitrax compatible by MK_Design
GraviTrax: Starter Set Race - Mathom Store S.L.