Water-Air-Land competition

Shopping list (taken from Amy's document):

• Air
  • Rubber bands
  • Spoons
  • Popsicle sticks
  • Glue (various kinds - Vu has hot glue)
  • Duct tape
  • Marbles - never mind, Amy has them
• Land
  • Mousetraps
  • Rubber bands
  • Wheels
  • Legos
• Water
  • Duct tape (this isn't waterproof, but it is water-resistant)
  • Paper (cardboard?)
  • Popsicles
  • Plastic tub
• Other
  • Prizes

How will catapults' arms rotate? If they are attached with hot glue, they can't. Eyu100 12:00, 19 August 2010 (PDT)

• Maybe we could use some kind of rod? Eyu100 12:41, 19 August 2010 (PDT)