Science 4 You marker factory with unicorns. With the Science4You Marker Factory Unicorns, children can make their own magical and colorful markers! This fun set contains everything you need to create your own unique markers, including dyes, markers, pipettes and even glitter. Children can experiment with different colors and textures to create their own special markers that perfectly match their creative projects. The Marker Factory Unicorns set from Science4You is not only fun, but also educational. Children learn about chemical reactions, mixing colors and the science behind making markers. It's a great way to learn more about science and creativity through play.