If this is the first time you are using an "if" check block, watch the following video.

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- #1604
- 30 Mar 2020
In this program, we have made the Scratch kitten "run" if it touches the mouse. Initially in an endless loop with a constant check for whether the mouse is touching the kitten. If it does, it changes its costume!
Courses and lessons with this Tutorial
This Tutorial is used in the following courses and lessons

Keep 'em clean - remote Scratch game course
"Keep 'em clean" is a game that uses the players' real-life movement captured by a camera to control many "people" and push them towards a sink where they wash their hands! In this course, you will learn the basics of programming with Scratch, as well as using the "Video Sensing" extension to receive movement from the camera!
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Lesson 8 - How to mess up the clean
Introduction
In this lesson, you will find out how to program the dirty clones to stain the clean ones!
How do you think that will happen?
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