LevelUps

STEM Activities · Ages 6-12 · 45-60 minutes

Build a Cardboard Bridge Challenge

In this engaging STEM activity, families collaborate to design and construct a bridge using only cardboard and tape. This hands-on project fosters teamwork, creativity, and essential engineering skills!

Safety notes

Always supervise children when using scissors. Ensure they cut away from their bodies and keep fingers clear of the blade. Use non-toxic materials and ensure a clean workspace to prevent accidents.

What you will need

  • Cardboard
  • Tape
  • Scissors
  • Ruler
  • Markers

Step-by-step instructions

  1. Gather Supplies: Collect all the materials listed above before starting to ensure a smooth process. Make sure your workspace is clear and safe.
  2. Plan Your Design: Sketch a design for your bridge on paper, considering how it will hold weight and what shape will be most stable. Discuss ideas as a family to enhance creativity.
  3. Cut the Cardboard: Using scissors, carefully cut the cardboard into the necessary pieces for your bridge, ensuring safety and precision. Encourage children to ask for help if needed.
  4. Assemble the Bridge: Using tape, begin assembling your bridge according to your design. Ensure all pieces are securely attached for stability. Check for any loose parts before testing.
  5. Test the Bridge: Once assembled, gently place weights (like books or small toys) on your bridge to test its strength and stability. Observe how the bridge behaves under pressure.
  6. Make Improvements: If your bridge didn’t hold much weight, discuss as a family how to improve the design. Encourage children to think critically about their choices and make adjustments before testing again!
  7. Decorate Your Bridge: Use markers to add unique designs and colors to your bridge, making it visually appealing and personal! This step allows for creative expression and fun.

Parent guide

Encourage your children to brainstorm ideas and engage in discussions about their designs. Ask open-ended questions like, 'What shape do you think will be the strongest?' or 'How can we make it more stable?' to stimulate critical thinking and creativity. Remind them that failure is part of the learning process, and adjustments can lead to better designs.

Educational benefits

  • Enhances engineering and design skills
  • Promotes teamwork and collaboration
  • Encourages critical thinking and problem-solving skills
  • Fosters creativity and innovation

Why this works as a screen-time alternative

This hands-on activity keeps children engaged in creative problem-solving and teamwork, providing a fun alternative to screen time while fostering family bonding.

Frequently asked questions

What if I don't have cardboard?

You can use alternative materials like old newspapers, plastic containers, or even cereal boxes—get creative!

Can younger kids participate?

Absolutely! Younger kids can assist with decorating and simple assembly tasks under adult supervision. They can also help brainstorm ideas!

How heavy can we make the weights?

Start with lighter items like books or small toys, then gradually increase the weight to effectively test your bridge's strength. Always ensure safety during testing.

What if my bridge collapses?

That's okay! Discuss what went wrong and how you can improve the design. Learning from mistakes is a key part of engineering!