Testors Craft Marbling Medium helps you create your own unique design when mixed with acrylic craft paint. When the mixture is poured onto a project, tilting the surface creates a marbled effect! The colors will stay true and not mix together, but will flow smoothly side-by-side to create a one-of-a-kind project. Can be used on a variety of surfaces for woodwork, crafts, models, and more Made in the USA