You will be thrilled to know that there are tons of STEM activities you CAN do with recycled materials! Whether you call it eco-friendly, frugal, inexpensive, or cheap, it is possible that all kids can have an awesome STEM experience with very little out of pocket costs. Gather your resources, I mean your recycling bins, and let’s get started!

STEM projects… STEM challenges and engineering activities… all sound pretty complicated, right? They aren’t accessible for most kiddos to try or use in classrooms with tight time and money.

Imagine if all you need for STEM is a box of recyclables (and maybe a couple of simple craft supplies for a few)! Enjoy no-prep STEM activities or very low-prep STEM activities!

Free printable STEM activities pack!

Get started using your recycled materials with these quick and fun STEM challenge ideas!

List Of Recycling Projects For Kids

Check out these recycling activities below by clicking on the links. I would also like to add that you can use your trash and recycling items to build boats to float, cars to go, and planes to fly. You can also look around and see what you already have to build structures for a quick STEM idea!

Paper Bag STEM Challenges

Check out these 7 STEM activities you can do with a few simple household items. Fill a paper bag or two with recyclables for these fun STEM challenges.

Build A Cardboard Marble Run

Turn all your leftover cardboard tubes into something fun and useful with this marble run STEM activity.

Build A Hand Crank Winch

Building simple machines is a great way for kids to learn how stuff works! Our winch craft is truly an easy STEM activity with big impact.

 Winch Simple machines Recycled STEM Activity Pin

Make A DIY Kaleidoscope

Design and create a DIY kaleidoscope for kids using recyclable materials for a simple recycling activity.

Build A Droid

A few recyclable materials and some imagination is all it takes to build a fun droid or robot with this cool recycling project.

Cardboard Rocket Ship

Make your own super fun rocket ship box from a large cardboard box.

Cardboard Box Rocket Ship How To Make a Cardboard Box Rocket ShipPin

Take A Part A Computer

Do you have kids who love to take things apart, broken or not? Why not let them take apart a computer with a bit of assistance? My son thought this was the coolest recycling activity ever!

Kids Take Apart Computers Upcycled STEM ActivityPin

Plastic Egg Carton Craft

Can you believe this recycled craft uses egg cartons! So easy to make, fun to wear, uses recycled materials, and includes a bit of chemistry too!

Melting Crayons

Easily an upcycled or repurposed project! Turn your jumbo box of broken and worn down bits of crayon into these new homemade crayons.

Cardboard Bird Feeder

Make your own super simple homemade bird feeder from a toilet paper roll and add this fun bird-watching activity to your kid’s day!

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Paper Eiffel Tower

The Eiffel tower has to be one of the most well known structures in the world. Make your own paper Eiffel tower with only tape, newspaper and a pencil.

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Paper Eiffel Tower

Recycling Paper

Making your own recycled paper is not only good for the environment but it is a lot of fun too! Find out how to make a paper earth craft from used bits of paper.

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Build A DIY Solar Oven

STEM isn’t complete until you have made your own sun oven or solar cooker for melting s’mores. No campfire needed with this engineering classic! Find out how to make a pizza box solar oven and what materials you need. It’s super simple!

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DIY Solar Oven

Plastic Bottle Greenhouse

Enjoy growing plants with a mini greenhouse made from plastic bottles! Watch the life cycle of a plant unfold with simple materials from your recycling bin!

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How To Set Your Kids Up For Recycling Projects

Use what you have and let your kids get creative with simple materials! These ideas also work great for Earth Day theme!

My pro tip is to grab a large, clean, and clear plastic tote or bin. Whenever you come across a cool item you would normally toss into recycling, toss it in the bin instead. This goes for packaging materials and items you may otherwise throw away.

What kinds of recyclables are perfect for these recycling activities below? Almost anything! Plastic bottles, tin cans, cardboard tubes and boxes, newspapers, old technology like computers and old CDs, and any cool odds or ends.

Many items like styrofoam and packaging materials can be saved from the trash bin and upcycled into cool recycling projects.

Grab this printable STEM supplies list here!

Standard STEM materials to save include:

  • paper towel tubes
  • toilet roll tubes
  • plastic bottles
  • tin cans (clean, smooth edges)
  • old CDs
  • cereal boxes, oatmeal containers
  • bubble wrap
  • packing peanuts

I also like to keep a bin of supplies on hand, such as tape, glue, paper clips, string, scissors, markers, paper, rubber bands, and anything else your kids can use to build or engineer their recycling projects.

Make sure to have the following:

  • colored craft tape
  • glue and tape
  • scissors
  • markers and pencils
  • paper
  • rulers and measuring tape
  • recycled goods bin
  • non-recycled goods bin
  • pipe cleaners
  • craft sticks (popsicle sticks)
  • play dough
  • toothpicks
  • pompoms

STEM Resources To Get You Started

Here are a few resources that will help you introduce STEM more effectively to your kiddos or students and feel confident yourself when presenting materials. You’ll find helpful free printables throughout.

Printable STEM Pack for Kids

80+ Doable Engineering Projects in one convenient pack!

  • Full instructions with sample images
  • Activity-specific instruction sheets
  • Data Collection Sheets
  • Questions for Reflection
  • Architecture Building Cards: Try the tallest tower challenge
  • Bridge Building Cards: Explore different types of bridges to build your own.
  • Paper Chain STEM Challenge: Who can make the longest chain? Great icebreaker or quick challenge!
  • 3 Little Pigs Architectural Pack: Design a house that won’t blow away!
  • Great marshmallow challenge: A classic challenge kids love!
  • Real-world STEM challenge lesson but don’t know where to start? Our easy-to-follow template shows the steps!
  • What’s the difference between a scientist and an engineer?
  • Crossword and word search with engineering vocabulary.
  • Engineering vocabulary cards
  • Design a one-of-a-kind invention and write about it with this 5-page activity!
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