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Natural Bridge

Before getting started, make sure to have your guardian’s permission, be respectful of nature, and remember safety first! 

Deadline: September 25th

Objective :  To create an elevated structure that spans a 3 foot space using natural materials found outdoors that is able to support a ball rolling across it from end to end



  1. With the use of supports, create an elevated structure that spans a length of at least 3 feet

  2. Made from natural materials found outside, such as tree limbs or twigs, grasses, rocks, mud, etc.

  3. Be able to roll a ball across the structure from end to end

  4. Grade guidelines: 

    • 3rd grade and under - bridge may run along the ground; ball can be any size

    • 4th grade and up -  bridge must be elevated off the ground (at least 3 inches); use a small ball (golf ball, tennis ball, bouncy ball, etc.)


Project Submission:  

  1. Please submit a picture or video of your structure using the dropbox below. 

  2. Please do not include your child(ren) in the picture.

  3. Consider naming your bridge so your family and friends can recognize your masterpiece.  With the submission of your media file, you are giving What About STEAM, LLC the right to use it for nonprofit purposes, including use in print, on the internet and all other forms of social media. 

Thank you for participating in this activity.  We can't wait to see your creation.

By submitting your project, you will be entered into a drawing to win a participation prize.

Questions? Contact Christine at

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