The Stockmar products have received certified approval from the Arts and Crafts Material Institute as being of extremely high quality and completely non-toxic. These crayons are the waldorf mix and are characterized by brilliant color, smooth application and durability. They come in a tin box of eight colors in either Block or Stick form. The Waldorf Mix includes: Carmine Red, Vermilion, Orange, Gold Yellow, Lemon Yellow, Green, Ultramarine, Red Violet.