How to Make DIY MARBLE Run Machine From Cardboard Science Project at HOME




About: DIY Ocean is a channel where you can find cool 'How To' projects and crafts made out of cardboard and easy to use materials. These playful DIY tutorials are helpful for your science projects and exhibitions ...

Materials you will need-




-100 RPM DC Motor

-B.O. Motor wheel

-DC motor speed controller


-Coloured card paper


-Foldable cardboard

-Long wooden sticks

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Step 1: Take a 50cm * 20cm Piece of Cardboard. Place a Cardboard Cutout of the Measurements As Shown, on It.

Step 2: Place the 100 RPM DC Motor As Shown. Cover Both Sides With Cardboard Pieces.

Step 3: Take the Inside of the B.O. Motor Wheel, and Glue It to a Circular Cardboard Piece As Shown. Place This on the DC Motor. Now, Place a Cardboard Cutout As Shown.

Step 4: Take a Circular Cardboard Piece With 30cm Diameter, and Make the Cuts of the Given Measurements. Take Another Circular Cardboard Piece of 20cm Diameter and Make Similar Cutouts.

Step 5: Place the Circular Cardboard Piece Over the Wheel and Make Sure There Is a 5mm Gap As Shown.

Step 6: Place Cardboard Cutouts As Shown in the Following Images. Now, Place the Circular Cardboard As Shown. Cover the Front With a Circular Cardboard Piece of 10 Cm Diameter.

Step 7: Make the Connections As Shown Between the Motor, Battery and Speed Controller. Place the Battery and Controller on the Cardboard and Cover It Up As Shown.

Step 8: Take a Circular Coloured Card Paper of the Given Measurements, Cut It As Shown to Make a Funnel Type Shape. Apply Tape on the Cut.

Step 9: Take a Circular Cardboard Piece of 14 Cm Diameter, and Make a 12 Cm Wide Hole As Shown. Remove the Upper Layer of the Cardboard.

Step 10: Cut at Regular Intervals of the Card Paper. Fold Through the Cuts As Shown. Now Stick the Circular Cardboard As Shown on the Paper. Make 2 Such Pieces.

Step 11: Take a 2.5cm Wide Foldable Cardboard and Roll It Around the Circular Cardboard. Insert the Long Wooden Sticks Through the Paper As Shown.

Step 12: Use Small Cardboard Pieces to Fix the Sticks on the Cardboard As Shown. Cut the Extra Portion of the Sticks and Apply Super Glue to Fix Them.

Step 13: Make the Marble Flow As Shown in the Following Images.

Step 14: Label As Desired. the Marble Run Machine Is Ready!

Be the First to Share


    • Book Character Costume Challenge

      Book Character Costume Challenge
    • Made with Math Contest

      Made with Math Contest
    • Multi-Discipline Contest

      Multi-Discipline Contest



    8 months ago

    Very nice, I like marble run machines :)