Idea Boxes

Choose this exercise

Purpose: Collect individual contributions anonymously to discuss options and identify common themes as a group.

Use it when: Use when reviewing a project phase, gathering feedback on a sensitive topic, or brainstorming improvements where anonymous submission helps candid input.

Skip it when: Skip when the group needs immediate consensus on a single technical plan or when face-to-face dialogue without written prep is preferred.

Group arrangement: Individual writing followed by whole-room drawing and small-group or plenary sorting

Timing: UWT suggested 25-minute schedule; sources describe a 5-minute introduction within a 15 to 30 minute typical participatory session.

Materials and tools

• 3 to 5 blank index cards or paper slips per participant
• 1 pen or marker per participant
• 1 collection box, basket, or opaque container
• Wall tape or sticky tack for posting cards
• 1 whiteboard or open wall space for clustering

Before participants arrive

1. Place the collection box in a neutral, accessible spot in the room.
2. Distribute blank cards and pens to all seats.
3. Write the central question or prompt clearly at the top of the shared board.

Say this to open

Today we are using an Idea Box to collect thoughts on our project topic. Write one distinct idea, question, or suggestion per card. You can submit several cards or just one, and writing your name is completely optional. Once you finish, drop your cards into the box. We will pull cards at random and examine them together.

How to run it

1. Introduce prompt and rules 4 minutes

   State the central question clearly. Give one neutral example of a helpful response, such as 'Shorten our weekly review meeting from 60 minutes to 30 minutes.' Remind participants that handwriting does not need identification and cards can raise questions, critiques, or ideas.

2. Write and submit silently 6 minutes

   Participants write their thoughts on cards independently. When finished, each person walks up and drops their cards into the box. Allow silent, unhurried writing. Anyone choosing not to write may simply leave their cards blank or place an empty card in the box to preserve privacy.

3. Draw, read, and cluster 10 minutes

   Shake the box. Pull cards out one by one. Read each card aloud without judging it. Tape it to the wall board. Invite the room to group related cards together into thematic clusters. Draw up to 8 to 10 cards to fit the allotted time; remaining cards stay preserved for documentation.

4. Review clusters and debrief 5 minutes

   Step back to view the grouped cards. Lead a brief plenary reflection on patterns and priorities. Note actions or questions that require follow-up.

Debrief questions

• Looking at the clusters on the board, which theme appears most frequently?
• Which card or question surprised you the most, and why?
• What is one concrete change or next step we can test based on these submissions?

Finished output: A board of clustered participant cards documenting suggestions, concerns, and candidate next steps.

Remote

Use a digital whiteboard with an anonymous submission form or an intake board hidden behind a facilitator screen. Participants type ideas onto digital notes. The facilitator mixes the notes and moves them onto a shared public canvas for reading, clustering, and discussion.

Hybrid

In-person members drop physical cards into the box. A designated scribe types in-person cards into the digital board, while remote members submit through an anonymous digital form. The shared screen is projected in the room so all participants see the same cluster canvas.

Access and participation choices

• Provide options to submit printed notes, digital text, or dictation to a helper before the session.
• Submission is strictly optional; participants may submit blank cards or choose not to submit without making an announcement.

If the session gets stuck

Too many cards are submitted to discuss within the allotted time.

Draw a set sample of 8 to 10 cards across the box. Post the rest on a 'parking lot' board to be transcribed and circulated after the session.

A card contains an overly vague suggestion, such as 'communicate better.'

Read the card neutrally and ask the whole group: 'What is one specific example of what this might look like in practice?' Do not ask who wrote the card.

Terms used here

• Clustering: Grouping cards with similar themes or topics together on a wall or board.