From Sean Connolly, the master of messy and dangerous (and therefore extra-fun) science, a collection of more than 20 hands-on experiments that are like an inte

From Sean Connolly, the master of messy and dangerous (and therefore extra-fun) science, a collection of more than 20 hands-on experiments that are like an inte

Stand back! Genius at work! Encase your little bother in a giant soap bubble. Drop mentos into a bottle of diet soda and stand back as a geyser erupts. Launch a

Here comes the future! The world’s coolest technology comes to life with fun, hands-on experiments for kids. • Test solar power with milk jugs and balloons

Math rocks! At least it does in the gifted hands of Sean Connolly, who blends middle school math with fantasy to create an exciting adventure in problem-solving