Viva Decor hobby concrete Mix this concrete powder with water to make soft modelling clay that is suitable for making small details. The clay is weatherproof and frost-resistant after drying. Comes in a handy bucket with handle and lid. Specifications: Colour: grey Gender: unisex Material: concrete Contents: 5 kg Mixing ratio: 75 ml water and 500 g powder Drying time: minimum 2 hours to 1-2 days depending on the thickness Age: from 4 years