cheap engineering projects

It is more fun if engineering projects can be made from low cost or free materials that are easy to collect or buy.

File cards

  • Simple paper bridge – learn how to build a paper bridge whose structure you can change to see how different designs affect the load-bearing capacity.

Drinking straws

  • bridges

Craft sticks

File Folders

  • bridges


  • Toothpick and marshmallow towers


  • Spaghetti and marshmallow towers


  • Moon habitat
  • Paper table – Make a small table to hold snacks, No hammer or saw required

Plastic bottles

  • Balloon-powered bottle car

Other stuff you have around

  • Dye detective – markers, water, solvent – rubbing alcohol, cups, coffer filters