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The Marshmallow Challenge – A team building activity

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The Marshmallow Challenge – A team building activity

Category: Team Building Time: ~18–25 minutes (setup + play) Teams: 3–5 people Focus: Creativity • Collaboration • Prototyping

Overview

This hands‑on activity challenges teams to build the tallest freestanding structure with spaghetti, tape, string, and a marshmallow. It fosters creativity, collaboration, and communication under constraints, mirroring real‑world teamwork and the value of rapid prototyping.

Learning objectives

  • Encourage creative problem‑solving within constraints.
  • Improve teamwork via communication, roles, and coordination.
  • Highlight prototyping and iterative testing (place the marshmallow early).
  • Develop time management and planning under pressure.
  • Build trust and leverage diverse strengths.

Setup & directions

  1. Divide participants into teams of 3–5 and distribute materials evenly.
  2. Explain the rules:
    • The entire marshmallow must sit on top of the structure.
    • The structure must be freestanding (no external support).
    • Teams may break spaghetti and cut tape/string.
    • Teams have 18 minutes to build.
    • Announce time checks at 5 minutes and 1 minute remaining.
    • At time, hands off—structures must stand unsupported for 5+ seconds.
  3. Measure height from base surface to marshmallow top. Celebrate the tallest and compare approaches.

Facilitator tips

  • Encourage early testing—place the marshmallow early and iterate.
  • Observe: planning vs testing vs iterating; prompt stuck teams with questions.
  • Foster a non‑judgmental environment where all ideas are valued.
  • Run multiple rounds or add variations to deepen learning.

Debrief & reflection

  • What strategies led to success or failure?
  • How did teams communicate and allocate roles?
  • What role did prototyping and iteration play?
  • How did time pressure influence decisions?
  • Which team dynamics (trust, leadership, listening) mattered most?
  • How can lessons apply to current projects?

Alternative activities

1) Spaghetti Tower with Constraints

Objective: Adaptability and creative problem‑solving.

Variation: Add constraints (no talking for 5 minutes; one‑hand‑only).

Benefit: Simulates real‑world limitations and builds flexibility.

2) Paper Bridge Challenge

Objective: Planning, teamwork, and precision.

Task: Build a paper bridge between two tables to hold maximum coins.

Skills: Engineering thinking, collaboration, time‑boxed execution.

Virtual adaptation suggestions

  • Use breakout rooms for team collaboration.
  • Send materials in advance or simulate with digital tools.
  • Share a visible timer (screen share) for pacing.
  • Use digital whiteboards for planning and idea sharing.
  • Building High‑Performing Teams – teamwork, collaboration, cohesion. View package →
  • Communicating with Clarity & Impact – clearer, faster alignment. View package →
  • Creative Problem Solving and Decision Making – practical tools for analysis and choice. View package →

Free assessment tools & quizzes

FAQ

How many people per team?

Three to five works best. For very large groups, run multiple heats and a final.

Can we substitute materials?

Yes—swap masking tape for painter’s tape, or string for yarn. Keep material amounts equal per team.

How do we measure fairly?

Measure from the table/floor to the top of the marshmallow. If it sags or collapses within 5 seconds, it doesn’t count.

Any safety concerns?

Watch for sharp spaghetti ends and avoid tripping hazards. Provide allergy‑safe marshmallows if needed.

Tips for remote delivery?

Shorten timeboxes, provide a materials list ahead of time, and keep teams small for easier coordination.

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