Press 1 to start Space to stop, but leave the current picture for viewing! Press 1 again to clear and start over. Each one is random! The A and B box shows you what random values were used.
Shared from Scratch 2 Offline Editor Change the multiple options to just 1 option and added a random number picker for a and b. Replaced the pencil with a less obtrusive red dot. This is a remix of MaceiraTKA's work found here: http://scratch.mit.edu/projects/13295367/ I highly recommend you check out his other projects.