What obstacle should I add next?
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Marble Run: Gravity Well
STEM Building & Engineering Toys
Marble Run: Bridges
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STEM Building & Engineering Toys
The World's Largest marble run race
The largest marble run I have ever built! Using up nearly all the track I have, and using over 10 elevators, watch as 6 marbles race through the course in hopes of getting first place, […]
Лабиринт
A ramp into another ramp but in between there is a circle
Hello Danny!!! 👨
A slide
Simple answer: no. It is impossible to construct a marble and a track that interact with each other without friction.
You can get very low friction, but any time two objects touch, there will be some friction.