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How to make Marble Run Machine with escalator out of cardboard

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Marble Run with escalator from Cardboard own hands
Science Projects | Escalator Working Model
Marble Run with escalator from Cardboard own hands How to make Marble Run from Cardboard MARBLE RUN
Materials:
cardboard, hot glue, motor, battery, wooden skewers, pet sheet, marbles balls.
#Scienceprojects #Escalatormodel #Workingmodel

posted by avskrekkeeq