Water painting wall

How to make it

1. 

   1

   Pick a wall

   Find a fence, wall, sidewalk or chalkboard that turns darker when wet.

2. 

   2

   Fill the bucket

   Add a couple inches of water. Less water means fewer spills.

3. 

   3

   Show the stroke

   Dip the brush and swipe. Point at the dark line.

4. 

   4

   Let them paint

   Hand over the brush. Let them paint everything in reach.

5. 

   5

   Watch it vanish

   Look together as it dries in the sun. Then paint it again.