1) Watch the videos below.
2) Let me know which structure you're going to build and what materials you will need.
Bridge Building Videos
If you choose to build a bridge, watch the following videos. Then decide how long it will span, and draw it out with measurements and materials on paper.
Bridge Design and Destruction Part 1
Bridge Design and Destruction Part 2
How to Make a Popsicle Stick Bridge
Tower Building Videos
If you choose to build a tower, watch the following videos. Then decide how tall it will be, and draw it out with measurements and materials on paper.
Tower Building 1
Tower Building 2
Building Cross Braces
Assembling Your Tower