Given: 25 tennis balls, 1 – 8 1/2″ x 11″ sheet paper, 4 rubber bands, 2 mailing labels, 1- 36″ piece of string, 2 paper clips, 2 toothpicks, one balloon and one cotton ball.

Make a structure or structures out of the 25 tennis balls and the materials given. The team has 5 minutes to discuss and make a free standing structure. The structure must stand for at least 15 seconds after the 5 minutes.

Points will be scored after the 5 seconds of stand time. Each tennis ball supported 2″ above the table is worth 5 points. Bonus points: 1-10 points for creativity and 1-10 points for team work.