One pound of Body Casting Molding Powder when mixed with water will make around 3 average size hands in a container similar to the one shown in the video.
Making a Mould
Making the Casting
It is unlikely that you will be able to produce more than one casting from each mold. To create more copies mold your casting with ComposiMold or ImPRESSive Putty.
Like anything else start simple it is recommended to gain some experience by first making a reproduction of a hand.
Mix this Body Casting Molding Powder 1:2 Parts Water, mix, and push your hand in...wait a few minutes and you've made a beautiful mold ready for casting materials such as plaster, concrete, or fast curing resins. Make a perfect duplicate of your hand, foot, ear, and more. It's up to you.