STREAM Activity: Build a Fruit Snack City (2D & 3D Shapes)

Create your own city skyline!

Activity best for children age 4 and up

Buildings are around us everyday! There are skyscrapers, homes, and so many other types of buildings throughout our city. But did you know that each building is built by putting different shaped materials together? In fact, the base of most buildings are rectangles or squares!

We are going to try to build some shapes that we know pretty well using only two items. You can make them 2-dimensional shapes (or flat) or 3-dimensional shapes (shapes that have flat sides and raised sides), you can even be an engineer and try to create your own city skyline with them if you want to challenge yourself!

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Materials you’ll need:


Fruit snacks (can substitute with marshmallows, Dots candy, or gummy bears)

Guiding Questions:

How many sides does each shape have?

What shapes can be made using straight lines?



We’ll make a square first. Grab 4 toothpicks and 4 fruit snacks.

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Put a toothpick and a fruit snack together. Repeat for each pair.

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Connect the remaining sharp side of the toothpick to the fruit snack side until you get a full square.

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Make another square and grab 4 more toothpicks. Use these toothpicks to attach the two squares, making a 3D square.

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Repeat with a triangle.

Remember to adjust the number of materials based on how many sides the shape has.

Grown Ups-Are you looking for more ways to extend your child’s learning? Check out these extension activities to build upon today’s STREAM activity!

Reading Connections: 

Look at That Building by Scot Ritchie

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Real-World Connections:

There are so many cool geometric shaped buildings all over the world! Here are a few examples.

In Egypt, there are many pyramids. Pyramids are 3D triangle shaped buildings that were built by Ancient Egyptians years ago. In Paris, there is a museum called the Louvre that is in the shape of a triangle.

If you step outside of your home you’ll notice quite a few square shaped buildings all around.