Each group needs:

• 1 potato (approximately the same size as the shared/class potato)
• 1 zipper or fold-over sandwich bag
• 1-2 sheets of blank paper
• 1 pencil
• Litter Design Worksheet, one per student

For groups to share (can use alternate supplies as desired):

• toothpicks
• paper towels
• popsicle sticks
• straws
• paper (recycled is fine)
• aluminum foil, 12" x 12" square (30 cm x 30 cm)
• sponges, cut into lengthwise thin sections

To share with the entire class:

• (optional) triple beam balance or weighing instrument
• 1 potato that no group has used in the design process