The small #3 Fan Brush is used to paint all of the same spectacular effects that the larger #6 Fan Brush createsí_í_í¬but with more detail. Devote some practice time to this brush and you will be amazed at the effects you can achieve. The Bob Ross landscape brushes are special brushes made from a blend of natural and synthetic bristles and shaped according to Bob's very precise specifications for the Bob Ross Wet-on-Wet Techniqueëå. Remember, ordinary brushes are not the same and can't create the same beautiful effects these will.