Simple, step-by-step instructions and illustrations guide children through the 25 unique science experiments in this activity book that explains the basic principles of chemistry, biology, simple machinery, electricity, and magnetism. Experiments are conducted using a minimum of readily available equipment and include learning how to extract iron from a dollar bill, control the bubbles in a soda can, and make water disappear. This engaging introduction to the sciences provides kids with a fun way to explore the universe and spice up their indoor playground.