Rocket Science is illustrated for Kids and pre-teens, in this book. Design of simple solid propellant configurations is explained in the book, which can generate interest and keep younger generation explore more and be ready for the propellant design for their own future missions. All calculations can be made with simple calculator and basic principles of physics along with special terminologies of Rocket Science are introduced. The book can make many more Rocket Scientists. The main theme of the book is "It is Rocket Science and even kids understand it".