1. Challenge to hold the most weight
Toothpick Bridge
Challenge to hold the most weight

2. The Challenge
To design and build a bridge made only of toothpicks and Elmers glue.
You bridge must span a distance of 8 inches
Sand will be used as a weight to test the bridge

3. Research Bridge Structure

4. Consider the Following
What shape is the strongest?
What style of bridge will support the most weight?
Think about where you want the weight to be attached.

5. Adding the Weight

6. Toothpick Bridges
Build a bridge using only toothpicks and elmer's glue

7. Building Tips Use less glue. It dries quicker and holds better.
Use trusses, they are a strong support structure.
Develop a plan. Work the plan.

8. Bridge Truss Designs