These 3D-printed Bowling Pins for GraviTrax marble runs were built by the MarbleMania3D shop on Etsy. See the long form video …
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These 3D-printed Bowling Pins for GraviTrax marble runs were built by the MarbleMania3D shop on Etsy. See the long form video …
source
Marble gifts your loved one will love (paid links): GRAVITRAX SETS β» GraviTrax Star Wars …
Sooo satisfying!
Wow bri
So coolπ€©π€©π€©π