magic cauldron with bubbles in the air color element for Halloween vector isolated element of a witch's cauldron on three legs in gray with orange bubbles from potions drawn by hand in the style of doodles with a black outline on a white background for a design template. Black doodle cauldron bubbles in vintage style on white background.a magic cauldron with bubbles in the air. vector isolated element of a witch's cauldron on three legs with potion puzzles hand drawn in doodle style with a black line on a white background for a design template