
Marshmallow Challenge: Design Thinking Icebreaker
Build the tallest freestanding tower that can hold a marshmallow on top—within 20 minutes.
How to Play This Icebreaker Game
- 1Form teams of 3–5.
- 2Provide 20 sticks of spaghetti, 3 ft tape, 3 ft string, and 1 marshmallow.
- 3Teams have 20 minutes to build; measure height to declare a winner.
Materials Needed
- Dry spaghetti
- Tape
- String
- Marshmallow
- Measuring tape
Facilitator Guide
Opening Script:
You have 20 minutes to build the tallest freestanding tower that holds a marshmallow. Prototype early; test often.
Closing Script:
What helped—iteration, triangles, or early marshmallow tests? Capture one team habit to bring to projects.
Why This Works
Why this icebreaker game works: It rewards prototyping and quick feedback over planning. Teams practice experimentation, role clarity, and time‑boxed collaboration.
Best For
Ideal icebreaker situations for this game include:
- Team offsites
- Innovation workshops
- New team kickoffs
Important Notes
- Mind safety with broken pasta and tape allergies
- Discourage over‑planning; encourage early testing
- Clear measurement and rules up front



