STEM Challenge Mystery Build FREEBIE

Rated 4.85 out of 5, based on 302 reviews
302 Ratings
Teachers Are Terrific
Grade Levels
3rd - 5th
Formats Included
  • Zip
9 + editable
Teachers Are Terrific


Do your students like mysteries? This STEM Challenge will be an exciting adventure for them! Students have a mystery to solve with what they are building and what materials they will need to be successful!

What is the challenge?

In this challenge, students will be assigned a structure to build and a list of possible materials. Teams will have to work together to choose the right materials to build their structure and stay within a purchasing budget for those materials. To make it really fun, every team will build something different.

You have choices to make!

  • You have the option to have all teams build the same thing- which makes this challenge packet last a long time!
  • Each team will be given a challenge card with the type of structure being built and then the team will decide what materials will build it best.
  • There are 6 challenge cards!

What are the structures?

Students will be using Challenge cards that give them specific constraints for building either: Bridges, Towers, Rockets, Swing sets, Marble Runs, or Rocking Chairs.

What do you need?

  • You will need supplies in addition to this package.
  • This includes craft sticks, paper clips, rubber bands, cardboard tubes, cups, straws, craft foam, foil in 12-inch lengths, toothpicks, pipe cleaners, card stock, masking tape, small bowls, pennies, markers, marbles, small toy figure (like a Lego man), and Cconstruction paper scraps.
  • NOTE: These are optional items and you may substitute for any of them with materials you already have!

This resource includes:

  • list of materials
  • preparation ideas with a 3-page teacher's guide
  • step-by-step procedures

NOTE: This is a shortened version of STEM Challenges you can find at Teachers are Terrific with only 3 pages of teacher directions and 1 page of photos. Look for longer and more detailed instructions with the large selection of challenges right here in my store!

The package specifically includes:

  • Teacher background
  • materials and preparation
  • 3 pages of teacher directions
  • challenge cards for 6 different structures
  • 1 student lab sheet
  • cost sheet for using the budget feature
  • 1 page of photos
  • Terms of Use
  • Forms for this challenge are editable! The editable file is in Powerpoint.

You might also like these STEM Challenges that have a budget feature:


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Total Pages
9 + editable
Answer Key
Teaching Duration
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