Awesome Engineering Activities for Kids: 50+ Exciting STEAM Projects to Design and Build by Christina Schul, With more than 50 cool projects, kids will design, build and test these projects, and learn how and why these engineering marvels work. They'll also discover how engineering projects rely on science, technology, art and math. Step-by-step instructions are provided, and each project uses items readily available around the house. Paperback, 200 pages. Recommended for ages 5 to 10 years old.