Every 2 hours from the time you put the celery into the cups, remove the appropriate stalk and put it onto the correct towel. Each time you remove a stalk from the water, carefully peel the rounded part with a vegetable peeler to see how far up the stalk the purple water has traveled. Notice how fast the water climbs the celery. Older children can use all coins. The first player rolls the die and gets the number of pennies shown on the die.
Players take turns rolling the die to collect additional coins.
As each player accumulates 5 pennies or more, the 5 pennies are traded for a nickel. The first player to reach the set amount wins. Dip a toothpick in the center of the pepper. Put a drop of dish detergent on a toothpick and dip it in the center of the pepper. The pepper moves quickly to the sides of the glass because the soap breaks the surface tension.