Tint 2 in. fondant ball in each color and add 1/4 teaspoon Gum-Tex to each: pink, violet, green, yellow. Roll fondant 1/4 in. thick and cut 9 large Star Cut-Outs and 2 medium Star Cut-Outs in each color. Brush tops of stars with damp brush and sprinkle with White Cake Sparkles; let dry. Attach lollipop sticks to backs of stars with thinned down fondant adhesive; let set.