Group Challenge15 min High Light
Build the Tower
Teams build the tallest free-standing tower from limited materials.
Combines creativity, planning, and teamwork under time pressure — reveals how groups make decisions.
Instructions
Give each small group identical materials — paper, tape, string, and one marshmallow or weight for the top. They have 12 minutes to build the tallest free-standing structure that can hold the weight. No talking to other groups. At the end, measure each tower. Debrief: what did your group do well? What would you change?
Classroom timer
15:00
Best used when
When you want a high-engagement challenge that builds collaboration skills.
Variation
Halfway through, each group must send one spy to observe another group for 30 seconds.
Time
15 min
Noise
High
Prep
Light
How did it go?
Quick evaluation — helps you find what works again.