This marble run zig zag on a wall is so satisfying. It’s made from GraviTrax. Relax and watch it again and again.
source
Check Also
REVIEW: GraviTrax Junior / My Planet Starter Set – Marble Run for Ages 3-7
This video review of GraviTrax Junior is loaded with Goodies & Freebies! Support my videos …
The vertical specialist! Very original! 👏🤩
Sehr cooler Bahnverlauf, weiter so!💥
WOW🤯🤩🤯🤩