KaizumiKaizumi™

Lean Games & Simulations

The lean factory simulation: four e-bike assembly stations under a yamazumi chart, with each station’s work stacked against the takt lineNew
Takt & cycle timePull & kanban

Lean Factory Simulation

The lean dictionary brought to life — an e-bike plant at two altitudes, and eighteen terms you watch happen instead of read.

Two layers
Plant + line
Terms shown
18
Needs
Desktop
Run the simulation
The outpatient clinic simulator: a 3D clinic running beside its editable value stream map
Demand vs capacityBottlenecks

Outpatient Clinic Flow Simulator

A clinic morning you re-run after changing the demand, the staffing or the sequence.

One morning
≈15 min
Editable
Value stream map
Needs
Desktop
Run the simulation
The One-Piece Flow Simulator: one line stacking parts between stations, the other carrying one part at each
Flow vs batchingWIP

One-Piece Flow Simulator

Two lines race to build 20 parts — one in batches, one piece at a time.

Run the simulation
System Shift: coloured tokens scattered on a dark ground, one of them ringed as the target
5SVisual management

System Shift

Find what you need in a workspace that fights you, then fix the workspace.

Play
Flow Pro: three machines with parts arcing one at a time from each to the next
FlowPull systems

Flow Pro

Keep work moving when every station wants to run ahead of the next one.

Play
Busy Work: the Kaizumi mascot in safety glasses, ear defenders and a hi-vis vest, his hard hat and one glove still on the floor
Value-addedWaste

Busy Work

Sort a real day into work the customer pays for and work they don’t.

Play
The A3 Investigator: an A3 sheet with a chain of why boxes down one side and the countermeasure on the other
A3Root cause

A3 Investigator

Work a problem down to its cause before anyone lets you pick a fix.

Play
Takt: three stations of stacked work, one of them standing over the takt line
TaktLine balancing

Takt · The Line

Split the work across stations so the line runs to customer demand.

Play
Design the Value Stream: a weld, a store of bicycles, a paint oven and assembly, with a kanban arcing back up the line
Pull systemsBatch size

Design the Value Stream

Build a factory from an empty floor and find out what every choice cost you.

Play
The Penny Game: one line handing over a pile of coins, the other handing over a single coin
One-piece flowBatch size

The Penny Game

Batch size sets the lead time, and nothing else does.

20 coins · 5–6 people · 15–20 min

Play
The Dice Game: four stations with dice, and the piles between them growing down the line
VariabilityDependent events

The Dice Game

A perfectly balanced line still finishes below its own average.

Dice + ~40 tokens · 4–6 people · 20–25 min

Play
The Paper Airplane Game: a stack of half-folded planes behind one finished plane
Batch vs flowStandard work

The Paper Airplane Game

Same crew, same planes — only the batch size changes.

~40 sheets · 5–7 people · 25–30 min

Play
The 5S Numbers Game: the same tiles scattered on one side and in order on the other
5STime spent searching

The 5S Numbers Game

Three timed rounds that prove organisation is speed.

Printed sheets · any group · 10–15 min

Play
The Beer Game: a flat line of customer demand under an order pattern swinging wider at every stage
Demand swingsDelay

The Beer Game

Four businesses, four weeks of waiting, and a swing nobody meant to cause.

Printed sheets · 4 per team · 2 hr

Play