Educational Colours Modelling Clay is perfect for artists of all ages in the classroom, home or studio. This high-quality clay is smooth, soft and pliable making it easy to blend and perfect for experienced modelmakers as well as learners. Our modelling clay will provide hours of modelling fun as it won't dry out or harden, making it reusable time and time again. Non-toxic and washable, it is very safe for children. Each block contains 500 g of modelling clay, 15 vibrant colours available.