DIY Marble Run

Build a track from cardboard tubes and tape so a marble rolls from top to bottom.

STEMCreativePhysical
AgeAges 4–12
Duration45 min
DifficultyMedium
CostLow
LocationIndoor

Educational Value

Teaches gravity, angles, and trial and error.

Materials Needed

Prep progress

Step-by-Step Instructions

  1. 1

    Cut and arrange tubes.

  2. 2

    Tape tubes to a wall or board.

  3. 3

    Test with a marble and adjust.

  4. 4

    Add more sections for a longer run.

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