you can use it in acrylic nails gel nails or just your normal nail or to decorate stuff for your regular base coat and case color you can add it to your nails add a little bit of top coat and let it dry some times the fimo will fold so you can use tweezers or a toothpick push the sides flat to your nails and add top coat as desired if you don't want to feel no bumps or nothing keep adding top coat till it feels smooth is up to you :)