# smiley blocks quiz

Make a smiley face blink 

## Name

## Directions

Use the hints in the [Smiley](/microbit/lessons/smiley/activity) activity to answer this quiz!

## 1. Describe what `show LEDs` does

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## 2. Why is there an extra empty frame after the smiley face?

![](/static/mb/lessons/smiley-0.png)

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## 3. Draw the image created with this code

![](/static/mb/blocks/lessons/smiley-3.png)

![](/static/mb/empty-microbit.png)

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## 4. Draw the images created with this code

![](/static/mb/blocks/lessons/smiley-5.png)

![](/static/mb/lessons/looper-3.png)