Children's university physics set (3 books) physics, it's that simple! law of attraction, sources of light and energy! are you ready to meet the famous physicist isaac newton? so what would happen if there was no sun? photographer, pilot and surgeon! these professions need light when they work! did you know that there are energy sources that do not pollute the environment and never run out? the most important person who can do something about it is you! don't forget! the easiest form of science, children's university set!. more than 100 stocks are offered to be sold at the campaign price. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.