Each group needs:

• Levee Design Worksheet
• rectangular plastic container or tub
• scissors, to poke holes in cups
• $10 worth of fun money; such as strips of paper that each represent one dollar or Monopoly® money
• levee building materials:
• sand or gravel, about 2 cups
• duct tape, about 1 ft
• 8-10 cotton balls
• 1 plastic sandwich bag or square of Saran® wrap
• 1 sponge
• 8-10 Popsicle sticks
• 8-10 plastic drinking straws
• paperboard, 1 sheet, such as from a cereal box
• small paper cups (note: remember to update the Levee Design Worksheet with any changes made)
• access to water to test the levees