Making a giant cardboard marble run from scratch

By Owner - The Kid Should See ThisFrom YoutubeAugust 22, 2025

How to make Device to transfer marbles from a bag to a box.

#Ball

#Motion

#Tube

#Craft

#Cardboard

#Run

#Marble

#Design

#Project

#Engineer

#Ramp

#DIY

#Build

#Race

#Roll

#Giant

#Structure

#Track

#Fun

#Gravity