Fimo Effect Neon Polymer Clay 2oz - Neon Green. This oven-hardening modelling clay is smooth and soft and ready to use right out of the package. Great for all projects, from simple refrigerator magnets to intricately designed jewellery. The firm, smooth texture makes it easy to knead and mix colours. Objects made with Fimo Soft are very strong and durable after baking. Excellent for use with rubber stamps.