Paint the lid to the baby food jar green. We found it easiest to dab the paint on - it's not the easiest surface to paint.
Draw the face of your jack-o-lantern onto the jar using the marker.
Fill the jar with sand. You can use all orange or...
All the fall colors to add a little pattern to it. A spoon and a funnel make this fun.
Screw the lid back onto the jar. Cut a leaf out of green paper or foam and glue it to the top of the jar.