Classroom knowledge of science is fairly theoretical and the veracity of its correctness/accuracy can only be verified by performing practical/projects/experiments or activities in the laboratory or home, of course under guidance of teachers or parents. Each of the 5 books has 71 projects. Proper suggestion is provided  giving out the theory of the experiment, materials required, principle, methodology, observation, finding and conclusion. The conclusion arrived at justifies the theory. Each book is popular with the students and teachers alike.  This set of 5 books has been bound together in a convenient pack and offered to readers at an attractive discount. The names of the books and their prices are displayed in brackets: 1)71+10 New mathematics projects (Rs195), 2) 71+10 New Science Projects (Rs 160), 3) 71 Science Experiments (Rs150), 4) 71+10 New Science activities (Rs150), 5)71+10 New Science projects junior (Rs 150)