Just mouse trails - nothing special. Move your mouse, and click the screen to show/hide variables. Try Turbo Mode. Turbo Mode: Shift + Click Green Flag; Click See Inside, Click Edit, Click Turn on Turbo Mode Scratch Emojis How-To: https://scratch.mit.edu/projects/222536271 Fact of the Project: A hydrogen atom is about 99.9999999999996% empty space.
