The Best Stain Removing Products and Cleaning Tips
Apply a solution of warm water and dish soap, using a wet sponge. Blot from the outside of the stain to the center; reapply as necessary. Remove soap residue with a damp towel; blot. For serious cases, you can also try the Guardsman Fabric First Aid Stain Remover system ($3, guardsman.com).
For more help, see how to remove crayon stains from clothes.