About our used conditions ratings:

·Like New: An apparently unread copy in excellent condition. The dust cover is intact, and the pages are clean and not marred by notes or folds of any kind.

·Very Good: A copy that has been read, but remains in excellent condition. May have writing on the inside cover but pages are unmarred.

·Good: A copy that has been read, but remains in clean condition. All pages and covers are intact. The spine may show signs of wear. Pages can include limited notes and highlighting, and the copy can include "From the library of" labels or previous owner inscriptions.

With '730 Easy Science experiments' you can discover the answers to hundreds of questions right at homes, using ordinary materials like lemons, drinking straws, old newspapers, milk cartons and pieces of string. Detailed instructions guide you through each experiment step-by-step and special notes outline whether you need a lab partner or an adult to help out, and most importantly how and why the experiments work.

2.9 pounds