Tennis Ball Tower Challenge Today for our Whetu Challenge we worked in a group to build a tower out of newspaper, 2 straws and sellotape. We needed to make our tower strong enough to hold a tennis ball and be able to stand alone (not leaning on anything or needing support). Today I worked with jasmine and Shane At first we had trouble with at doing it The easiest thing was stinking it to the tower The best part of our tower was Our tower looked interesting In the end it didn't turn out that good but we tryed