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# spinner lesson
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a spin the BBC micro:bit game with the input on shake.
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## Topic
If (Conditionals)
## Quick Links
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* [activity ](/lessons/spinner/activity )
* [challenges ](/lessons/spinner/challenges )
* [quiz ](/lessons/spinner/quiz )
* [quiz answers ](/lessons/spinner/quiz-answers )
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## Prior learning/place of lesson in scheme of work
Learn how to use an if statement to run code run code depending on whether a condition is true or not. We will be learning how to create a die with If statements, On Shake, Variables, Assignment Operator, Pick Random and Show LEDs.
## Documentation
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```cards
if (true) {}
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let x = 0
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input.onGesture(Gesture.Shake, () => {})
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Math.random(3)
basic.showLeds(`
. . . . .
. . . . .
. . # . .
. . . . .
. . . . .
`)
```
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## Objectives
* learn how to run code when the BBC micro:bit is shaken, when running code in the web browser, moving the mouse quickly simulates shaking
* learn how to create a local variable as a place where you can store and retrieve data
* learn how the assignment operator is used to declare a new local variable
* learn how to declare a new local variable or update the value of a variable
* learn how to return a random number
* learn how to conditionally run code depending on whether a condition is true or not
* learn how to show an image on the LED screen
