go to https://griffpatch.github.io/scratch-gui/ click extensions button you will see box 2d click it and another tab will appear in scratch editor you must use the step simulation to make those blocks work
hi so I recently discovered the box 2d physics engine and loved all the new features of physics it makes games like not quite ball physics a breeze to remake go to https://griffpatch.github.io/scratch-gui/ to try it I just wanted others to expierience this to no need to like or fav