How to Build a Popsicle Stick Bridge By: BrenNan Briddle

Materials

  1. 300 popsicle sticks
  2. 2 bottles of Elmer's glue
  3. 3 pages of newspaper
  4. Yard stick
  5. 2 tissue boxes
  6. 2 medium size rubber bands.

Step 1

Unfold the pieces of newspaper; lay them out so that the edges overlap about an inch.

Step 2

Place a row of sticks (long ways) about forty inches long against the yard stick on top of the news paper. Next, glue another row of sticks on top of the previous row. These will overlap half over half. The bottom row should be a half a stick longer on both ends. Then, glue another row on top of the previous row (will look like the bottom row). Repeat this so that you have two identicle sticks about forty inches long. Let them dry for 6 hours, then continue to step 3.

Step 3

Now we're going to build the arch of the bridge. Lay one stick on the newspaper and take another popsicle stick and glue it in between the the longer rows, and put it at a twenty degree angle towards the center of the bridge. Lay out sticks in a arch shape on the newspaper so that each end has about a twenty degree angle opening towards the middle. Next, place sticks on top of those overlapping half over half. After that, place the last row on top,of the previous row so that it looks like the bottom row. Repeat this for the other stick. Now let them set for about six hours to dry.

Step 4

In this step we're going to put triangles inbetween the arch. To do this, find the middle of the bridge and glue a stick vertically (up and down). Next your going to glue sticks down at an angle with one end on top of the vertical stick and the other overlapping the bottom of the structure. Repeat this going down to the end of the bridge with the sticks alternating angles so that there are triangles going down the bridge. Now you are going to mirror that to the other side of the bridge, and then, you're going to repeat this on the other arched piece. Allow to dry for eight hours.

Step 5

Now you are going to stand the two sides of the bridge up and place the tissue boxes inbetween them. The boxes should be about six inches apart. After that, wrap the rubber bands around the bridge so that it stays together. At the ends of the bridge, glue sticks crossing from one side of the bridge to the other. Inbetween the tissue boxes, glue another vertical stick in line with the side verticals. Allow to dry for six hours.

Step 6

After the sticks have dried, take the rubber bands off of the bridge and lift the tissue boxes out of the bridge. Now glue down angled sticks similar to what you did in step four. Now let them dry for eight hours.

Step 7

After the sticks are dried, flip the bridge so that it's sitting on the ached part of the bridge. At the ends of the bridge, glue a vertical stick. After that, glue another vertical stick in the middle so that it's aligned with the other vertical sticks. From there, glue angled sticks overlapping on the ends to the previous sticks so that there are triangles from one end to the other. Allow to dry for eight hours.

Enjoy!

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