Now kids can create their own signature Thinking Putty colors. Over 10 tins included - five tins of clear putty, three concentrated colors and three special effects putties. Make your own colors, make it glow, make it yours. Mix up your favorites then use the included labels and colored pencils to decorate the tins. Neat, clean and creative. From Crazy Aaron's Thinking Putty, for ages 8-12 yrs.