This 3D printed Height Riser for GraviTrax marble runs was built by the Surem2804 shop on Etsy. I received this part for free to …
source

This 3D printed Height Riser for GraviTrax marble runs was built by the Surem2804 shop on Etsy. I received this part for free to …
source
Sympas
Satisfying π€©π€©π€©
Satisfying!