## What can you make out of toothpicks and marshmallows?

A few tips before you try this activity: let your marshmallows get stale….Hope it helps you save some time, too!

- Build one dimensional shapes.
- Build three dimensional shapes.
- Create letters.
- Build a house.
- Build a tall tower.
- Build a bridge.

### How do you do the marshmallow challenge?

The CHALLENGE: Build the tallest free-standing structure in just 18 minutes using no more than 20 sticks of spaghetti, one yard of tape, one yard of string, and one marshmallow. The marshmallow must be on top and cannot be deformed to hold it in place.

**What type of Toothpick Bridge is the strongest?**

A truss bridge is a befitting example of this type. A truss is a structure made of triangles which make it very strong to withstand heavy weights.

**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 does the marshmallow test prove?

In a series of studies that began in the late 1960s and continue today, psychologist Walter Mischel, PhD, found that children who, as 4-year-olds, could resist a tempting marshmallow placed in front of them, and instead hold out for a larger reward in the future (two marshmallows), became adults who were more likely to …

### What is the new marshmallow test?

The classic delay of gratification experiment involves giving a child a treat of some sort, traditionally a marshmallow. The experimenter then leaves the room, explaining that if the child has not yet eaten her marshmallow when the experimenter returns, she will receive a second marshmallow.

**How many cups of mini marshmallows are in a 16 oz bag?**

16 ounces = 64 regular marshmallows = 9 2/3 cups (about 676) minis.

**How do you make a bridge out of marshmallows?**

You can build your own bridge with just toothpicks and mini marshmallows. 1. Place two marshmallows with the bases flat on your work surface. Insert one end of a toothpick into the centre of each marshmallow to create a barbell shape. Insert another toothpick in each marshmallow at a 45-degree angle to form a triangle.

## How big do marshmallows and toothpicks have to be?

Sometimes roads need to cross each other. In this activity, you will be designing and building a bridge using marshmallows and toothpicks. Your bridge may be any design, but it must fit the following requirements: • Your bridge must be at least 25 centimeters long. • You cannot use more than 50 marshmallows.

### Why are old marshmallows easier to clean up?

Because the marshmallows are less sticky, they are easier to work with and clean up. Older marshmallows seem to be better at holding toothpicks. Explaining to students that the marshmallows are old will also discourage students from eating the marshmallows.

**How to make a cross brace out of popsicle sticks?**

• Use four Popsicle sticks and four brads to make a square. • Use the remaining two Popsicle sticks and a rubber band to make a long cross brace. Fit this cross brace diagonally from one corner of your square to the other so that the holes in the cross brace match where the brads stick through.