Gr 4–6—Get hands-on with these activities. Each book features six different experiments around a central theme. The beginning of each book lists safety precautions, including the importance of adult supervision. A materials list and a set of numbered instructions guide readers through the activities. A “Do Your Own Thing” section suggests how to personalize the project, and “What Happened and Why?” offers a discussion of the results and the scientific principles involved. Illustrations include a diverse range of characters busy with the various experiments. Whether they are creating coffee filter butterflies through chromatography or using crystallization to create homemade lollipops, they are all enjoying themselves. The majority of the materials required are inexpensive items such as rubber bands, markers, and paper straws. A table of contents, index, glossary, and suggestions for further reading round out each title. VERDICT A helpful purchase to support science classes, or for inquisitive readers to use at home.