This product may be purchased even when out of stock.
Please allow a minimum of 2 weeks for the product to be brought in
Engineers design tunnels to help solve transportation challenges for people everywhere. Young readers will learn about the steps in the engineering design process and see what shapes and materials are used in construction to make tunnels stable. A link to interactive activities online plus an activity in the book allow readers to create tunnels that can withstand weight, weather, water, and natural disasters!