Van Aken Plastalina Modeling Clay brown 4 1/2 lb. bar Renowned for it's smooth consistency and brilliant colors. This clay has been featured in many award winning claymation productions. Preferred by sculptors, model makers, animators, and artists' of all ages. Remains pliable, never hardens. Kid's forget to put their clay away? No need to worry! With this awesome clay you will never have to buy more clay due to it being left out for a night, a week, or even MONTHS!!! Certified by ACMI (Art and Creative Materials Institute) Safe, Non-Toxic, and Gluten-Free. Contains NO dangerous chemicals that can be harmful to children or pets. Fun for the whole family, when it comes to art it has no age limits. Everyone, young and old, can enjoy the theraputic activity of creating. The only limit is your imagination!