Haz tu propia catapulta de malvaviscos

"This science series gives readers step-by-step instructions to conduct simple experiments. Each title begins with background on the topic, and moves on to the "Lo que necesitas" chapter, listing supplies, most of which can be found around the home or classroom-coins, markers, baking soda-or otherwise easily acquired, such as food coloring and LED bulbs. The "Lo que haces" chapter provides clear directions for carrying out the experiments. Safety is taken into account, even in the most simple of experiments, instructing readers to rely on adult help for particular steps. Graphics include vivid photographs of all the supplies and steps, along with some stock images depicting scientific concepts. The concluding chapters provide context for the concept and encourage additional ways to experiment. Vocabulary words featured in bold font are collected in the glossary. VERDICT A STEM series suitable for demonstrating concepts or ­passing the time with creative and educational experiments."