STEM Challenge: Bridging Sir Ion’s Wrath

Bridging Sir Ion’s Wrath

Hook, Challenge, and Constraints


A super villain named Sir Ion, who can control metal with his mind, has destroyed all but one of the bridges in Superhero Metropolis. He accidentally sat on a bowl of chocolate pudding, and when people started laughing at him, he got extremely upset, destroying all the metal bridges in the city.

Challenge and Constraint

Your mission today is to make strong, non-metal bridges for Superhero Metropolis.


You may also provide these optional materials: cereal boxes, toilet paper rolls, Dixie cups, and aluminum foil.


  • Materials: Students can use no more than five of any one material per creation! For example, a student can use five straws and five pieces of paper, but not ten straws. If you provide aluminum foil, no more than one arm’s length piece for each student!
  • Groups: Students can work with a partner or on their own. No groups of three!
  • Time to Build: 45 minutes