Children can show off their artistic talent and learn about polymer science at the same time with this unique set. Comes with a star-shaped mold so kids can mix up the colorful goo and squirt them into the mold any way they like. When they put the goo-filled molds in the activator solution, the magic of cross-linking begins and the stars solidify to become solid objects. Includes instruction cards for three different experiments that give young scientists a chance to work with polymers and see how versatile these amazing compounds can be. Set contains 0.7 oz. of Shape Gel activator powder, 3.4 oz. each of yellow and glue Shape Gel goo, plastic star mold and instructions. For ages 6 and up.