White 2 lb Crayola Model Magic Crayola Model Magic is soft and extremely pliable until dry. Can be carved or sanded when dry. Model Magic also holds fine detail, accepts accessories and can be decorated with a wide variety of mediums. Add a splash of colour to sculptures with tempera, water colours, markers and more. The Model Magic Classpack includes 75 (1 oz.) packages of this awesome sculpting material in white.