Q:

How do you make a Popsicle stick bridge?

A:

Quick Answer

To make a truss-style Popsicle-stick bridge, you need about 100 Popsicle sticks, wood glue and clothespins. To add details to your bridge, you may also want a supply of wooden toothpicks, a plastic drinking straw and thread. Clean off a large table or space on the floor for a work area.

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Full Answer

Start the supports for your truss-style bridge by laying out four rows of Popsicle sticks end-to-end with the ends touching, and apply glue to their tops. Layer other sticks across the touching ends of the sticks in the first row, and use clothespins to clamp them together after gluing. Build three more supports to match.

Lay two supports parallel to each other with the left edges aligned, and then adjust the distance between the supports so that a Popsicle stick laid vertically across them is flush with the top of one support and the bottom of the other. Adjust the gauge at the other end of the supports. Tip the top ends of these two Popsicle sticks on the diagonal toward the center of the supports. Lay two more sticks on the opposite diagonals to form points, making sure that each Popsicle stick touches the ones next to it. Continue until you complete the pattern.

Glue and clamp down the pattern. Build three more matching supports, and then glue and clamp the supports together in matched pairs to complete the foundation of the bridge.

To make the road bed for the bridge, stand the supports up parallel to each other with the left edges aligned. Place a Popsicle across the tops of both supports at the left edge flush with the edges of the supports. Lay more Popsicle sticks side-by-side along the top of the supports. To finish the bridge, glue them into place and clamp again.

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