Lean Game · 2 min

Spot the Waste.

Eight wastes are flagged on a plant floor. For each one, pick which waste it is. No sign-up, nothing saved — the classic Lean DOWNTIME exercise as a quiz.

How it works: tap any red marker on the floor → pick which waste it is from 4 options. Get it right on the first try for the best score. Build a streak for bonus points.
+10 correct, 1st try +5 correct, 2nd try 0 if you miss both 🔥 streak × 2 bonus
👆 Press Start to begin · 8 wastes to find
OFFICE INVOICE BLACK BELT Lean expert sorting invoices… RAW MATERIAL · needed: 3 …10 pallets. Problem? FINISHED GOODS · order: 2 …16 made for 2 ordered WORKSTATION A 120 METRES — SAME TRIP, EVERY HOUR DROP WORKSTATION B OFF Machine down — waiting for maintenance INSPECTION Three checks. One part. REJECT BIN ✓ TALENT ✓ INVENTORY ✓ OVERPRODUCTION ✓ MOTION ✓ WAITING ✓ EXTRA PROCESS ✓ DEFECTS ✓ TRANSPORTATION
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Final grade
Lean Apprentice
0 pts

Nicely done.

You've just worked through the DOWNTIME framework — the eight wastes Lean teaches every operator and supervisor to see. The exercise sounds simple; its power is that once you've trained the eye, you can't un-see them on the shop floor.

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Want to put the same eye to work in your own plant? Happy to compare notes.

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Bharat Kumar · Manufacturing Transformation & Operational Excellence