19.12.2025

Millions of people don’t know this secret! Boil plastic bottles and make money

By Vitia

The PET plastic in bottles is an extremely moldable material when heat is applied correctly. When boiled, the material becomes flexible, allowing it to be given new shapes with great resistance once cooled.

This process not only reduces waste, but also makes it possible to manufacture reusable parts that you would normally buy at a hardware store, organization store, or bazaar.

Below, you can observe the entire procedure through the following video from the Inventor Unknowns channel
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Materials Needed

The materials are simple and easy to get:

  • Used plastic bottles (preferably PET)
  • Large pot with water
  • Cooker or heat source
  • Heat-resistant gloves
  • Scissors or cutter
  • Homemade molds (lids, cans, tubes, jars)
  • Heat-resistant surface

How to Boil Plastic Bottles Safely

Step 1 – Preparing the plastic

Wash the bottles thoroughly and remove all labels and glue residues. Then, cut them according to the type of object you want to make: strips, sheets or cylinders.

Step 2 – Controlled boiling

Place the pieces inside the pot of boiling water for a few seconds. The plastic will begin to shrink and soften quickly. A prolonged boil is not necessary.

Step 3 – Immediate Molding

Remove the plastic with thermal gloves and immediately place it on the chosen mold. Press gently into shape. In a few seconds it will harden while maintaining the new structure.

Useful items you can craft

With this method you can create:

  • Cell phone holders
  • Drawer Organizers
  • Hooks for hanging tools
  • Resistant packaging
  • Combs, rulers, spatulas
  • Cable Grips
  • Reinforced plastic sleeves

Each piece is lightweight, water-resistant and highly durable.

How to turn this trick into money

Many people are already generating income by selling these recycled products. Some practical ideas:

  • Sell organizers at craft fairs
  • Offer mobile phone holders to businesses
  • Create home accessory packs
  • Sell on social networks
  • Offer custom products upon request

The cost of production is practically zero, which makes this method an excellent opportunity to generate profits with minimal investment.

Ecological and economic benefits

This method not only helps your pocket, but also the planet:

  • Reduce plastic waste
  • Reduces pollution
  • Promotes responsible consumption
  • Promote the circular economy
  • Generate sustainable income

Each bottle reused is one less polluting rivers, soils and oceans.

Additional Tips for Best Results

  • Use thick bottles for extra strength
  • Do not inhale vapours directly
  • Always work in ventilated spaces
  • Experiment with different molds
  • Combine parts to create larger products
  • Add acrylic paint for a professional finish

This trick shows that you don’t always need to buy to get practical solutions. Sometimes, what others throw away can become your new work tool, your entrepreneurship, or a smart way to save money every month.



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