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.

Preparation

1. Define the purpose:
   • Encourage collaborative creativity and sequential thinking.
   • Practice group problem-solving and technical improvisation.
   • Promote experimentation, playfulness, and team cohesion.
2. Set the machine's final goal:
   • Choose a simple outcome like ringing a bell, switching off a fan, or watering a plant.
3. Gather materials:
   • Use household or recycled items (balls, string, cups, tubes, dominoes, cardboard, tape, etc.).
   • Prepare a wide surface or long table for setup.
4. 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

1. 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.
2. Construction and Testing
   • Build and test each section independently.
   • Adjust mechanisms until they work reliably and can trigger the next.
3. Integration
   • Connect all the sections and test the full machine as a group.
4. Presentation
   • Demonstrate the final chain reaction. Capture it on video or photo.
5. Reflection and Debrief
   • Discuss what worked well, what needed iteration, and what the group learned about collaboration and creativity.

Purpose

To foster collaborative invention, teamwork, and playful systems thinking by building a chain reaction machine for a simple task using everyday objects.

Required materials

• Dominoes, balls, marbles, toy cars
• Books, rulers, tubes, cardboard
• Tape, scissors, string, glue
• Recycled materials, boxes, cups, sticks
• Markers, whiteboard or paper for sketching
• Phone or camera for documenting

Platforms

• Tinkercad
• Scratch
• Miro
• FigJam
• Questiory
• Canva
• FrameVR

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.

Examples of materials that could be useful

• Dominoes
• Balls (ping pong, rubber, tennis, etc.)
• Cardboard tubes (toilet paper, kitchen towels)
• Small boxes
• Thick books and notebooks
• Rulers and wooden sticks
• Marbles
• Strings, yarn, and thread
• Straws
• Clips and clothespins
• Cardboard and cardstock
• Balloons
• Empty plastic bottles
• Jar or bottle caps
• Scissors
• Adhesive tape (clear, masking, duct tape, etc.)
• Cold glue or glue gun
• Aluminum foil
• Legos or building blocks
• Wheeled toys (small cars, rolling plush toys)
• Spoons, ladles, or spatulas
• Screws, nuts, and metal marbles
• Corks
• Plastic or paper bags
• Rubber bands
• Plastic plates or lids
• Balloon sticks or wooden skewers
• Toy tracks
• Decorative balls or Christmas ornaments
• Small bells or chimes
• Crepe or tissue paper to slow down movement or decorate
• Stapler and staples
• Metal rails or channels
• Modeling clay bars
• Magnets
• Loose wheels or gears from old toys
• Foam pieces, sponges, or thin mats
• Droppers or syringes (for using air or water)
• Disposable cutlery
• Bubble wrap
• Small pebbles or seeds
• Mini funnels or paper cones
• Empty cans
• Matchboxes or supervised lighters
• Sound-making items (xylophones, tins, drumsticks)

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.