Introduction: Easy to Make Cardboard Marble Run

About: second place on the iprototype weekend with sumo bots
hi in this instructable you can see how you make a fun and cheap marble run.
its fun to play with because you can make more variations of the run.

what you need:
  • thick cardboard 
  • thin cardboard boxes ( I used ice-cream boxes}
  • glue 
  • scissors ( you can olso usa a knive) 
  • Scotch tape
  • ruler
  • pencil
  • marbles

Step 1: Draw the Run

take your thick cardboard plate. 
write down where you wanna start and end.
then take your ruler and draw the lines for the run.

make sure that you let enough space between the line so the marble can pass through.

Step 2: Make the Trail

first you take your thin cardboard box and pull it apart until you have a flat plate.

then you can make it as long as the drawn trail. 
measuring how wide of the marble.
then draw the lines, cut it out and fold it, like in the photo's.

if you have to make an angle.
you just cut in the side's.

Step 3: Attach the Trails

when you wane attach the trails to the big cardboard plate.
you just put some glue on the back.
and cut out a stoke of thin cardboard and tape it to the trail and cardboard plate.

Step 4: The End

when your done you make a little box for the marble to fall in on the and glue it on the plate.

have fun with making the trail.
and when your done place a photo by the comments 
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