Fixed Pulley

This cute little desktop flagpole is a single fixed pulley. A fixed pulley like this one doesn't win you any mechanical advantage, but it can still make things easier to lift since it lets you pull down instead of lift up.

  1. Ages: 9 - 16

  2. <30 minutes

  3. A little messy


Materials you'll need

Step-by-step tutorial

  • Step 1

    Press the clay around the dowel to make it stand up straight.

  • Step 2

    Attach two binder clips to the dowel, one at the top and one at the bottom. Bend the arms of the clips so they stick out to the side.

  • Step 3

    Thread the string through the ends of the clips, then tie it together to create a loop. Make sure it's nice and tight!

  • Step 4

    Decorate your flag however you'd like, then cut a diagonal slit in each corner on the left side.

  • Done!

    Slide the string into the slits to attach your flag. Then pull on the string to raise your flag!

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