Activa Quik-Sculpting Kits, Science Fair Kit includes: 2 - 4" rolls of Rigid Wrap, 8 oz. of CelluClay, Complete instructions for 12 projects. This is an excellent way to try the materials before moving on to larger projects. It's perfect for crafts and science fair projects. Dimensions: 5"L x 5"W x 8.75"H Weight: 3 lbs.