Grandomastery Random ADVERT Activity – Blind Pitch Improv Game for C1–C2+ Business English Mastery

The ultimate high-stakes persuasion challenge: one player (the Grandominister) secretly receives a completely random, often absurd product (e.g., “invisible wallpaper”, “time-travel insurance”, “cloud-flavoured gum”). The other player knows nothing and must instantly begin a confident, professional advertising pitch. The Grandominister fires rapid-fire creative questions (“Is it edible?”, “Does it work underwater?”, “Can it replace a lawyer?”) and the pitcher has to incorporate every answer into an increasingly coherent, compelling sales story – without ever contradicting themselves.

The result is a 3–5-minute live infomercial that morphs chaos into pure marketing genius, often funnier and more convincing than real Super Bowl ads.

Target Audience

• C1–C2–C2+ business English learners and native speakers

• Sales teams, PR professionals, startup founders, negotiators

• Cambridge C2 Proficiency, BEC Higher, IELTS 8.5–9.0 candidates

Mode & Duration

Pair or group spoken improv – 12–18 minutes per round

Key Skills Developed (True C2+ Level)

• Masterful storytelling under pressure – turning random constraints into seamless, persuasive brand narratives

• Advanced/proficient persuasive & advertising English – effortless use of hype, hedging, benefit-led language, and rhetorical escalation

• Improvisational fluency & cognitive boldness – inventing believable solutions in real time without preparation or safety net

• Adaptive pragmatic competence – reading subtle cues from questions and instantly reshaping the pitch

• Creative resilience & negative capability – staying confident and charismatic while knowing nothing

• Systems thinking with emergent properties – letting the product “reveal itself” through interaction rather than planning

• Humor-tinged corporate sprezzatura – delivering absurd ideas with boardroom-level gravitas and charm

Core Theoretical Principles This Activity Is Built On

1. Theatresports & “Yes, And” Improvisation – total acceptance plus active building turns chaos into coherent brilliance

2. Oblique Strategies + Wild Cards Method – deliberate uncertainty and random constraints as the fastest route to original thinking

3. Narrative Transportation + Emergent Gameplay – the product story is co-created live; meaning emerges from collaborative play rather than pre-design

Used by top business schools, advertising agencies, and corporate L&D departments as the gold-standard exercise for pitch-perfect spontaneity and client-facing confidence.

Play now: https://grandomastery.com/advert

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