Magic Mud Modeling Clay Project Kit encourages unlimited discovery, increases sensory motor development and allows self-expression. Non-toxic, natural clay is non-staining and allows children to love explore their creativity. Reusable Magic Mud is fun to use, can be bisque fired at Cone 04 and glaze fired at Cone 05. Air-dried objects can be painted with acrylic, tempera or water-paints or can be turned back into mud by just adding water. Mud must be stored in a sealed container to keep it moist and pliable. Pack includes 25 lbs. of clay, 8 in. wire cutter and a 15 page teacher's guide with activity ideas.