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6 Ways to Build with Straws

Using straws in STEM class is such a great way to have students build quickly. They are easily cut, bent, and shaped to become part of many structures.

Using straws in STEM Challenges has become so routine that  I asked for straws to be added to our school supply list one year! I filled one entire cabinet with straws. Just for fun, we counted the boxes one day and there were 40. FORTY. That is 4000 straws, just in boxes. There were also smaller boxes and bags, and more bags, and even more boxes.

Well, I asked for them! Right?

But why?

Straws are easy to manipulate, can be used for so many projects, and they are easily saved. I am going to share a few projects with you that rely on straws.

STEM Projects using straws! This post feature 6 projects that use straws as a main building material.

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Let’s Talk About Straws

Before we begin let’s talk about plastic straws. I realize that some of you do not want to use straws in your projects. Instead, you can use a wooden dowel stick or craft sticks. I tend to go with straws because they are flexible. What you need to know is that we re-use them. We rarely throw any away.

We take structures apart and place full-length straws in our recycle bin. Our bin is a place to put gently used materials to be used again. If the straws have been cut or are too bent we place them in a different bin. Those shorter straws can be used again, too. We cut them up for projects all the time. My supply cabinet is full of unopened boxes, plastic containers of pieces, and plastic containers of opened packages. When I have a large supply I pour them into gallon-sized zippered bags.

Now, let’s look at some fabulous STEM Challenges!

Amazing Mazes

STEM projects using straws as a building materials- this is the Straws Maze. Students build a maze with side rails made of straws. This is an easy prep STEM Activity.

This is a Quick Challenge called Straw Mazes. The walls of the maze were built of straws. A little bit of clear tape and that’s about it! We have built these on pieces of cardboard, empty gift boxes, and foam board.

TIP: Buy foam board at a dollar store.

Straw Platforms

STEM projects using straws as a building materials- this is the Straws Platform. Students must construct a weight bearing platform of a certain height. The main building materials of this STEM activity is straws.

One month we tried three different kinds of platforms. I will say the one made of straws was the most challenging. The one in the photo is from that first building experience when I thought paper clips would be a good item to use to join the straws.

TIP: Use masking tape instead of paper clips. I found kids straightening the paper clips and winding them around the straws.

Link: Craft Stick Platforms

Bucket Towers

STEM projects using straws as a building materials- this is the Bucket Tower. Students build a tower of short height that will support the weight of a small bucket.

This fun challenge is all about creating a tower or structure that will have a hanging bucket. The bucket must hold weight. I have seen this one completed in so many different way!

TIP: Use a plastic 3-ounce cup. The paper cups are a little too flimsy.

Rescue Devices

STEM projects using straws as a building materials- this is the Rescue Devices Challenge. Students work in 2 teams - each building part of the final structure. They are building a passenger carrier that must wind up a string.

This rescue challenge features creating two parts by two different teams and then joining them together to perform a rescue. It is one of my favorites because it is so fun to see two teams working together so well.

TIP: We used marshmallows as our rescue cargo, but anything will work. If you use something heavier than the marshmallows it will make this challenge harder!

Tennis Ball Towers

STEM projects using straws as a building materials- this is the unique Tennis Ball Tower STEM Challenge. Students must build a structure that supports the weight of a tennis ball!

Don’t let the title of this challenge fool you! It is challenging. The goal is to build a structure that will hold a tennis ball aloft. The ball must remain a certain height off the table and it is heavier than you think! Making the ball stay balanced is tricky.

TIP: You can substitute for the tennis ball. I have used ping pong balls but they do not weigh enough. Make the ball a heavy one!

Geodesic Domes

STEM projects using straws as a building materials- this is the Geodesic Dome STEM activity. Students use straw pieces to make triangular shapes and create a dome.

Remember that I mentioned saving pieces of straws? Here is one of the things we have used those pieces for- Geodesic Domes! Designing these domed creations was a fabulous geometric puzzle.

TIP: Place bins of straw pieces on your supply table and kids get a cup (8 ounce) full at a time. They replenish from those bins when they need more.

There you are! Six STEM projects using straws as the main building material. I promise I have many more! Don’t forget to plan on saving the pieces to use again.

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STEM Projects using straws! This post feature 6 projects that use straws as a main building material.

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