How to Coin Stack a Penny Bridge

Step-by-Step Guide

1. 1

   Step 1: Make a stack of 10 pennies.

   Put your palm around them, to make sure that they are stacked evenly on top of each other.
2. 2

   Step 2: Create a triad and carefully place it on top of the stack of ten pennies.

   , Continue adding triads until you get the height you want. ,,, This technique will create a bridge the width of 2 pennies, as seen in the photo. , To do the penny bridge with a width of 3 pennies, do the same thing that you did for the 2 penny wide, except you put 3 pennies in the middle.
   
   With making the bridges with a larger span, put as many triads as there are pennies wide.
   
   Next, just fill up all the "spaces" between the triads, and keep going. ,
3. 3

   Step 3: Place another triad on top of the previous triad.

4. 4

   Step 4: Repeat the above to build another bridge foundation

5. 5

   Step 5: placing it close to the first foundation.

6. 6

   Step 6: Connect the bridge by adding a penny at a time

7. 7

   Step 7: on each end

8. 8

   Step 8: leading up to center following the picture as a guide.

9. 9

   Step 9: Expand on the bridge by starting over and putting an extra triad on top of each stack.

10. 10

    Step 10: Expand again to a 3 penny wide bridge.

11. 11

    Step 11: Finished.

Detailed Guide

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