Minimal starter bundle

• Sticky notes or index cards + pens
• Prompt question
• Large paper for merging
• Timer
• Simple reflection slip

Individual idea generation

• Small papers/index cards or sticky notes
• Pens/pencils
• Prompt sheet (question or issue to respond to)

Pair/group merging phases

• Larger paper (A3/chart paper) or shared space to combine ideas
• Coloured markers for grouping/connecting
• Adhesive (tape/stickers) or means to “roll up” prior notes
• Merge templates (e.g., “Combined Ideas” sheet)

Whole-class consolidation

• Poster paper or digital collaborative board (Jamboard/Miro/etc.) (optional)
• Display area (wall, board) for the evolving “snowball”
• Voting dots/stickers or highlighting tools to surface key themes

Facilitation and pacing

• Timer/stopwatch (for each stage)
• Instructions/phase cue cards
• Norms reminder (e.g., respectful listening, building on others)

Reflection and feedback

• Quick reflection prompt cards or slips
• Peer-feedback notes