The Model Craft Green Stuff Modelling Putty from the modelling tools and accessories range provides a high quality epoxy sculpting putty. Features: Two-part epoxy modelling putty Ideal for adding detail or sculpting models Once mixed remains malleable for up to 90 minutes and cures within 24 hours Original formula Kneadatite Green Stuff Once cured can be carved, sanded and drilled as required Manufacturer: Model Craft Model: PGS4400 Green Stuff Modelling Putty