Contains an assortment of 1.76 ounces (50 grams) each of 3 different types of putty each in their own storage tin. Each set includes color changing putty that changes colors as it is warmed up. Other putty items will include 2 of clear Scuplting Glass, Glow in the Dark Magnetic or Big Bounce Putty. All options feature interesting colors and unique physical properties to engage both visual senses, tactile senses, help exercise fine motor skills, ease nerves and stimulate curious minds. Great for old and young alike. Does not contain latex, gluten, wheat or phthalates.