Leo is sleepy. It's time to go to bed.

But Leo is curious. He wants to see all the creatures that walk by his camp at night.

Build an animal alarm. It'll turn on when a blue creature walks by the Color Sensor.

Here's your challenge. Make the program. It turns the alarm on when a blue creature walks by the Color Sensor.

Make the program. It makes the alarm turn on when a blue creature walks by the Color Sensor.

Try your program.

Change your program to react when a red creature walks by.