1. Objectives To understand how the pen tool works
To understand how to use colours in Scratch to make game
You will be doing this by making a snake game

2. Sensing colours
In scratch you can get something to sense when one colour is touching another. We will be using this tool in the snake game.
You will be drawing a snake which will eat a mouse. When the snake touches its own tail, it will die.

3. When you draw the snake sprite
Make sure you include a yellow sensor.
What do you think this script will do?

4. Will it still work now?