All thinking tools

Zwicky Box

When to use it

When old habits constrain your options.

How to use it

List options by dimension, combine them, filter by hard constraints and test their interactions.

A real-life example

A delivery plan can be split into transport, insulation and pickup method. Start by testing two affordable combinations.

Try it in a game

Swap a delivery robot’s chassis, power source, compartment and control modules. Gravel express and long water crossing: combine, test and modify to find different working builds.

Play Combination Test Yard

After playing, ask yourself

Which move changed your later choices? If conditions changed, would the same approach still work? What evidence would you need to check before applying the relationships in this game to real life?

Games are simplified practice environments for exploring tools and when to use them. Completing a game does not demonstrate mastery and is not a personality or professional assessment.

These introductions are written by ThinkTest, with learning inspiration from Untools. The games are not official Untools products.

Untools ↗