Make a permanent impression! Features a self-contained, pre-measured water capsule and dental stone mixture in a single, heavy-duty plastic pouch. Very easy to use with no messy clean-up! Simply apply pressure to break the water capsule, and then shake and knead for 2 minutes before pouring into the shoe or print impression. Includes enough material for a single, adult-sized shoe print.Use with the BioFoam Footwear Impression block (Catalog No. AP7755) and Aerosol Dust and Dirt Hardener (Catalog No. AP7756), available separately. Simply press, spray, pour—three fun and easy steps to create permanent footwear castings! Press the footwear into the unique BioFoam block, spray a thin coating of Dust and Dirt Hardener, and then mix and pour in the Shake-N-Cast ready-to-use casting material. You can also use the Shake-N-Cast and Dust and Dirt Hardener to cast prints from soil or sand.