(This activity completes requirements 3a, 3b, and 3c)
1. Water balloons, towels
2. You might want to photocopy pages 57-59 and cover them with contact paper, so your book does not get wet when the boys throw the water balloons.
Tell the boys they are white blood cells. The den leader is a germ. The den leader asks the boys questions from requirements 3a, b, and c. If they answer the question correctly, the get to attack the germ (throw a water balloon).
Keep a health chart
for at least two weeks-requirement 3a.