Have you ever wondered how a computer works? How it REALLY works? Introducing GraviCalc – a concept of using the Gravitrax … source The post GraviCalc Intro – Using Gravitrax Marble Runs to Teach Your Kids How Computers Work appeared first on Gravitrax.trek.pub. Follow the rest of this piece over …

Build working computers out of marble runs! Build a new digital logic circuit each week using the GraviTrax marble run system. source The post Marble Computer 4 Bit Binary Counter Digital Logic appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a …

Sighting confirmed! The fabled blue box GraviTrax Speed Starter Set actually exists! Paid Links: Buy GraviTrax on Amazon: … source The post Mythical GraviTrax Blue Box Speed Starter Set?!? appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a very fun marble …

My 2nd Grandfather Clock marble run plays Westminster Chimes and has a working moondial! This kinetic rolling ball sculpture is … source The post Musical Grandfather Clock Marble Machine 2 appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a very fun …

I’m reviewing over 70 GraviTrax add-ons from 7 Etsy shops. In this episode, I review add-ons from Coogelbahn.de. I’m Chris … source The post New GraviTrax 3D Extensions – Coogelbahn.de Etsy Shop Review appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is …

source The post Magic marbles appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a very fun marble run board game, the website is dedicated to that.

source The post Unselfish marble lets others go first appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a very fun marble run board game, the website is dedicated to that.

A GraviTrax marble run that spells out “GraviTrax Fans”, the name of the Facebook group for GraviTrax. GraviTrax App code to … source The post A GraviTrax Fans Marble Run appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a very fun …

Join Chris from The Masked Marble as he unboxes the GraviTrax Obstacle Starter Set! This marble run set that includes all kinds … source The post What’s Inside? GraviTrax OBSTACLE Starter Set Unboxing appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is …

Marble run satisfying spinner with GraviTrax. source The post GraviTrax marble spinner appeared first on Gravitrax.trek.pub. Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a very fun marble run board game, the website is dedicated to that.