If you put a few drops of blue food coloring in the toilet you can show your child that the color turns green when he or she goes.

Make little good-behavior coupons for children. Print the coupons on different colors of paper for each child. Use the coupons as rewards for doing good things. The face value of the coupon can be whatever you decide is appropriate. Be creative – use coupons to be cashed in for activities or other rewards, or maybe they can …