pxt-calliope/docs/reference/js/lessons/smiley/activity.md

# smiley activity

Learn to design a blinking image.

### ~avatar avatar

### @video td/videos/smiley-0

Welcome! This tutorial will help you make a smiley face blink. Let's get started!

### ~

Create an animation with a frame displaying a smiley face and the next frame with no LEDs lit up. This will make it look like the smiley face is blinking as the display switches between frames.

```
basic.showAnimation(`
. # . # . . . . . .
. # . # . . . . . .
. . . . . . . . . .
# . . . # . . . . .
. # # # . . . . . .
`, 400) // ***
```

### ~avatar boothing

Excellent, you're ready to continue with the [challenges](/lessons/smiley/challenges)!

### ~