7 - 12 ឆ្នាំ
This book is full of science activities and experiments you can do at home. Each one has simple step-by-step instructions showing you what to do, and a straightforward explanation of the science involved.
Explore science in a fun new way, with a different activity or experiment for every day of the year. Hands-on science to fascinate children, with often surprising results. Will inspire the scientists of the future.