Hi the instructions are: 1. Click on the color to select it. 2.Click on the eraser to erase. 3. Click on the letter C on the screen to erase everything. 4.You can change the pen to anything.
Remember to Like, Fav and Follow. You also see https://scratch.mit.edu/projects/996691536/ and https://scratch.mit.edu/projects/995911137/ . The tutorial is at https://www.youtube.com/watch?v=4luvE9FRETI