Montessori's Laws of the Universe feature 21 Science experiments or demonstrations that are suitable for ALL children! This material is suitable for any classroom, homeschool, or educational environment - you do not have to be a Montessori teacher. Save yourself HOURS of work.The ‘Laws of the Universe’ experiments are intended for children in preparation for the Story of Creation. The twenty-one experiments are presented in order and are an impressionistic way for children to learn about science