Today’s CoffeeTrax is like a well-traveled horse riding trail… it retraces its route over and over, thanks to a gravity boost from 8 … source
Read More »Spinning 100 Marble rocket
This marble-powered rocket spinner built from GraviTrax is one of a kind. source
Read More »GraviSheet Intro | Free GraviTrax Reference
Introduction to GraviSheet, a free online Gravitrax set reference and app code repository. Gravisheet tells you the contents of all … source
Read More »I Built a Pagoda Marble Run
This GraviTrax marble run is shaped like a pagoda. It includes a spiral, and a 3D printed Mega Funnel from MarbleMania3D on … source
Read More »130 marble avalanche
This GraviTrax marble launcher sets in motion a 130 marble avalanche and snake track! source
Read More »GraviTrax marble run tips – 3-way RANDOMIZER
In today’s GraviTrax a marble run tip, we show a way to randomly split incoming marbles into 3 output paths. Paid Links: Buy … source
Read More »GraviTrax Marble Run Tech – Trailer (Cropped)
Marble Run Tech series trailer (cropped) Don’t you love marble runs? It’s fun to watch marbles roll around the track, triggering … source
Read More »Marble run plays chimes!
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Read More »Mini loop marble run GraviTrax flip
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Read More »Marble Computer Half Adder Digital Logic
Build working computers out of marble runs! Build a new digital logic circuit each week using the GraviTrax marble run system. source
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