Collective Rube Goldberg Machine

Collective Rube Goldberg Machine is a participatory and creative group activity where participants collaboratively design and build a chain reaction machine to accomplish a simple task in an overly complex and playful way (e.g., ringing a bell or pouring water into a cup). It fosters creative problem-solving, systems thinking, collaboration, coordination, and hands-on learning. The activity can be adapted to face-to-face, hybrid, or fully virtual contexts using everyday materials or digital tools.

Duration

60–120 minutes (depending on group size and complexity)

Participants

8–30 people (in teams of 3–6)

Preparation

01 · Define the purpose

Encourage collaborative creativity and sequential thinking.
Practice group problem-solving and technical improvisation.
Promote experimentation, playfulness, and team cohesion.

02 · Set the machine's final goal

Choose a simple outcome like ringing a bell, switching off a fan, or watering a plant.

03 · Gather materials

Use household or recycled items (balls, string, cups, tubes, dominoes, cardboard, tape, etc.).
Prepare a wide surface or long table for setup.

04 · Form teams

Divide the group into small teams. Each one will design a section of the machine to connect with others.

Step-by-step instructions

Design Phase

Each team plans how their segment will be triggered and what reaction it will cause.
Teams align their plans so transitions between segments connect properly.

Construction and Testing

Build and test each section independently.
Adjust mechanisms until they work reliably and can trigger the next.

Integration

Connect all the sections and test the full machine as a group.

Presentation

Demonstrate the final chain reaction. Capture it on video or photo.

Reflection and Debrief

Discuss what worked well, what needed iteration, and what the group learned about collaboration and creativity.

Practical recommendations

Set clear timing for each phase: design, build, test, and present.

Allow time for failure and iteration—tinkering is part of the learning.

Assign facilitators per team if the group is large.

Celebrate creativity and effort, regardless of machine success.

Encourage documentation for group memory or sharing.

Inspiration

Explore examples of Rube Goldberg machine builds

A machine built to pass the salt, Joseph's Machines
A machine built to get dressed, Joseph's Machines

Examples of creative purposes for the collective Rube Goldberg machine

Turn on a light to represent the start of a project or cycle.
Ring a bell or chime as a collective celebration signal.
Reveal a group keyword or phrase (such as trust, creativity, team).
Flip a page that shows the next topic or challenge of the day.
Water a plant as a symbol of collective growth.
Display a hidden message using a pop-up note or sign.
Activate a camera to record the closing of the collaborative process.
Launch confetti or paper bits as a sign of achievement.
Light up a bulb as a gesture of shared inspiration.

Variation ideas to make the activity more meaningful

Themed machine: the entire build must represent a cause, value, or concept (like equity, sustainability, or justice).
Limited materials challenge: each group may only use pre-selected materials.
Story-based machine: design the machine as a visual metaphor for a story, historical process, or real-life situation.
Virtual version: use simulators or tools like Tinkercad or Scratch to build the machine digitally.
Eco-friendly machine: only recycled or reusable materials are allowed.
Emotion-trigger machine: build the machine to express feelings like surprise, joy, or fear.
Team-symbolic machine: each section represents a team role, talent, or value.
Inter-team connection: separate teams build segments that must connect and work together.
Welcome machine: activate the machine to welcome new members as part of an onboarding ritual.
Sensory version: include textures, sounds, smells, or other sensory elements.
Hidden messages: the final result reveals a meaningful message or quote.
Time machine: illustrate a timeline with key events or group moments.
Intergenerational collaboration: build the machine with participants from different ages or fields.
Friendly competition: compare creativity, length, or precision between teams in a fun way.
Creative documentation: narrate or illustrate the process through video, voiceover, or drawing.

Collective Rube Goldberg Machine

Preparation