Click the green flag and watch my project paint the lines look like lasers when they appear. Turn on Turbo mode to unlock fastness or click the green lag and press shift on keyboard.
By SillyMonkeyMagic. This was made by the code of Shapes and Sides just with a added 0 and 4 more blocks: https://scratch.mit.edu/projects/1045472934/ . Also by SillyMonkeyMagic.
