Hi Damaris!
I'm not sure what grade level you are currently teaching but I found some books on Epic.
Materials Engineering and Exploring Properties by: Robert Snedden,
Built to Last by: Joanne Mattern,
Bridges and Tunnels by: Donna Latham (Lots of project ideas),
3D Engineering Design: Build Your Own Prototypes by: Vicki V. May,
Bridges by: Joanne Mattern.
I hope these resources can be of help to you!
|