What you’ll need

  • 1 cardboard box
  • Glue (all-purpose or hot glue)
  • Paints (acrylic or watercolor)
  • A paintbrush

Things from the forest for the marble run:

  • Twigs
  • Pine cones
  • Small rocks
  • Acorns, acorn cups, nuts, etc.

“Marbles” from the forest

  • Small, round rocks or acorns

How to do it

1. Collect different things from the forest for your marble run. What can you use as a marble? Take various things home to try out.

2. Make a simple run for your marbles in the cardboard box.

3. Firmly stick down all the items with glue and allow to dry.

4. Paint your marble run in bright colors and mark where it starts and ends. Allow the paint to dry completely.

5. Release your marbles so they roll down the course. Which one is fastest? Tip: make a bet and time your marbles.