DIY Projects & How-Tos

Hands-on STEM projects you can do at home or in the classroom. Each project comes with step-by-step instructions, materials lists, and learning goals.

Popsicle Stick Bridge

Popsicle Stick Bridge

Design and build a bridge using only popsicle sticks and glue. Test how much weight your bridge can hold and learn about structural engineering!

Easy 1-2 hours

What you need:

  • - Popsicle sticks (50+)
  • - Wood glue or hot glue
  • - Ruler
  • + 1 more

Steps:

  1. 1Plan your bridge design on paper
  2. 2Build the base using triangular supports
  3. 3Add the deck and side supports
  4. + 2 more steps
LEGO Robot Builder

LEGO Robot Builder

Create your own robot using LEGO bricks and learn basic robotics concepts. Add simple movements and explore how machines work.

Medium 2-3 hours

What you need:

  • - LEGO bricks (assorted)
  • - LEGO motors (optional)
  • - LEGO wheels
  • + 1 more

Steps:

  1. 1Sketch your robot design
  2. 2Build the robot body and frame
  3. 3Add wheels or legs for movement
  4. + 2 more steps
Coke & Mentos Experiment

Coke & Mentos Experiment

Create a spectacular soda fountain by combining Diet Coke and Mentos! Learn about nucleation and gas release in this fun outdoor experiment.

Easy 30 minutes

What you need:

  • - 2-liter bottle of Diet Coke
  • - Pack of Mentos candy
  • - Open outdoor space
  • + 1 more

Steps:

  1. 1Set up in an open outdoor area
  2. 2Open the Diet Coke and place upright
  3. 3Stack 5-6 Mentos for quick release
  4. + 2 more steps
My First Python Program

My First Python Program

Write your very first Python program! Create a simple quiz game that asks questions and keeps score. A great intro to programming.

Easy 1 hour

What you need:

  • - Computer with internet
  • - Python installed (or use online editor)
  • - Curiosity to learn!

Steps:

  1. 1Open a Python editor online
  2. 2Learn to print messages to the screen
  3. 3Create variables to store the score
  4. + 2 more steps
Baking Soda Volcano

Baking Soda Volcano

Build a mini volcano and watch it erupt with a baking soda and vinegar reaction. Learn about chemical reactions and gases.

Easy 1 hour

What you need:

  • - Baking soda
  • - Vinegar
  • - Food coloring
  • + 2 more

Steps:

  1. 1Shape clay around the bottle to form a volcano
  2. 2Add baking soda inside the bottle
  3. 3Add a few drops of food coloring
  4. + 2 more steps
Simple Circuit Light

Simple Circuit Light

Learn the basics of electricity by building a simple circuit that lights up an LED. Understand how circuits, batteries, and resistors work.

Medium 1-2 hours

What you need:

  • - LED light
  • - 9V battery
  • - Copper wire
  • + 2 more

Steps:

  1. 1Learn about circuit components
  2. 2Connect the wire to the battery terminal
  3. 3Attach the LED to the circuit
  4. + 2 more steps

Safety First!

Always have an adult present when doing experiments and projects. Wear safety goggles when needed, and work in a well-ventilated area. Safety is the most important part of any STEM project!

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