Step 1: Materials

You need Sand, Gravel, Rocks, A Coffee Filter,
A Water Bottle, Scissors, Dirty Water.

Step 2: Instructions 1

Have an adult cut the bottom off a water bottle and poke a hole in the lid.

Step 3: Instructions 2

Place the coffee filter into the bottle.

Step 4: Instructions 3

Put the bottle lid-down into another cup or bottle, leaving room for filters water.

Step 5: Instructions 4

Carefully pour some sand, then gravel, then rocks int the cup. Once that's done pour in some dirty water.

Step 6: Outcome

The dirty water will be cleaned and pour into the bottom.
Thumbs up! And I'd love to see some pictures as well!<br>If you add charcoal, you could filter it even better!
<p>Cool! I'd love to see more pictures if you have them! </p>

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