Wow Want to use in a project? See here - https://scratch.mit.edu/projects/87587219/ This looks a lot like the whirl effect. S to show and hide variables 100% Pen Number Of Bars - Change the number of little bar things Rainbow - 0 - Will put a rainbow on, all bars stay the same color 1 - Will automatically adjust the rainbow to fit the current circle 2 - Basic Blue Color Speed - Self explanatory You can use this with credit - notes inside to make it easy to use.