How do you build a bridge with marshmallows and toothpicks?

By Guidelines

How do you build a bridge with marshmallows and toothpicks?

Steps:

  1. Place two marshmallows with the bases flat on your work surface.
  2. Insert a toothpick into one of the base marshmallows of the first triangle at a 45-degree angle and another toothpick into the side of the top marshmallow.
  3. Repeat the triangle making process from step 1 to create another matching trapezoidal shape.

How do you make a simple toothpick bridge?

Place the two bridge pieces parallel to each other one toothpick length from each other. Place toothpicks between the two parts of the bridge. Glue the toothpicks. Let the Bridge dry for 12 hours.

How do you glue toothpicks together for a bridge?

Toothpicks can be glued together very simply and will be sturdy and secure.

  1. Place a large dab of tacky craft glue on the end of a toothpick.
  2. Wrap the toothpick joint in thread to keep the toothpicks together.
  3. Place a second dab of glue over the wrapped joint and spread to cover the thread with a thin layer of glue.

How much pounds can a toothpick bridge hold?

Even though elaborate school-grade toothpick bridges (for example of fully arched design) can weigh over a pound, smaller bridges in the range of 100 grams can carry the load of four or five fully solid bricks!

What is the strongest toothpick bridge?

Toothpick bridges are judged in three categories including most aesthetically pleasing, maximum load and most economical design. This year, Kenneth Morris and Savannah Deragon won first place for having the strongest toothpick bridge, which supported 193 pounds of suspended sand.

What bridge design holds the most weight?

arch bridge
The arch bridge can hold the most weight of the three, the deck truss bridge can hold an average amount of weight, and the beam bridge could hold the least amount of weight. This experiment tested the arch, deck truss, and beam bridges to see which could hold the heaviest amount of weight.

What is the shape of a marshmallow?

This invention allowed marshmallows to be manufactured in a fully automated way and gives us the familiar cylindrical shape of today’s marshmallow.