This 3D Hand Casting kit is for Kids 3+ of age. Contains 500gr of Regular set, High grade, colour changing moulding powder "Alginate". Experienced user can make up to 4-5 newborn limbs, up to 4 limbs of a baby under one year, or 2-3 limbs of a child up to 3 years. So - number of castings depends on age of baby, your skills, and size of moulding container in use. NOTE: Please read full description placed in green background carefully before order placed, especially red pointed notifications.