You need to plan some drying time.
I would suggest using masking tape
to block out 1/2 the squares.
Woody in KC
> I am doing a medieval crafts class this week. I am having my students (1-3
> grade) make a checker board on real wood. For some reason...I was in denial
> about my little ones being able to paint those squares....I thought if I just
> showed them...it would be NO PROBLEM! hehe
> Well....I am doing this lesson tomorrow...yup...and have snapped to my senses
> not a moment too soon! Any one have any ideas about putting color on wood
> that is clean and easy? I am leaning toward paint pens.......what about oil
> crayon? Any other ideas???