Have you ever wondered how bridges stay standing, how robots work, or how wind powers electricity? With the right mix of creativity, curiosity, and problem-solving, your kids can explore these wonders with awesome engineering activities!
What is Engineering?
Engineering solves problems by designing and building tools, systems, and structures. For elementary students in grades K-5, engineering activities are a perfect way to spark creativity and teach real-world concepts through hands-on challenges. From designing structures to exploring energy and motion, these activities introduce the engineering design process.
💡 Explore these helpful resources and free printables, including engineering vocabulary, engineering books, questions for reflection, and engineers vs. scientists.
Fun Engineering Activities for Kids
Let’s dive into the different branches of engineering and explore exciting activities that bring each one to life! Many different types of hands-on engineering projects build problem-solving skills.
Note that some of these activities may fit into more than one engineering category. Use the free calendar [here] to get started.
Structural Engineering
What it’s about: Designing and building structures that are stable, strong, and functional.
Why it fits: Structural engineers focus on creating buildings, bridges, and other structures that can handle loads and forces.
Activities:
- Bridge Building: Use craft sticks, straws, or cardboard to build a bridge. Test its strength by adding weights. Paper Bridge Challenge [here].
- Earthquake-Resistant Structures: Build a tower with blocks or toothpicks and test its stability on a shake table.
- Spaghetti Strength Test: Experiment with uncooked spaghetti to see how much weight it can hold before snapping.
- Strong Paper Shapes: Fold paper into different shapes like triangles or cylinders and test which shape holds the most weight.
- Paper Tower Challenge: Build the tallest free-standing tower possible using a limited amount of paper.
- DIY Pipeline: Use straws, tubes, or paper towel rolls to create a functional pipeline for marbles or water.
- 3 Little Pigs Challenge: Build houses using different materials (straws, sticks, or blocks) and test them against “huffs and puffs” (a fan).
- Classic Marshmallow and Spaghetti Challenge: Use marshmallows and spaghetti to build the tallest tower possible.
- Egg Drop Challenge: Design a protective container for an egg to survive a high drop.
- Paper Tower: Building stable structures using newspaper.
Mechanical Engineering Activities
What it’s about: Creating machines and devices with moving parts.
Why it fits: Mechanical engineers design tools and systems that involve motion, like cars, windmills, and pulleys.
Activities:
- Balloon-Powered Cars: Build a car powered by the air released from a balloon to explore propulsion.
- Fan-Powered Cars: Attach a small fan to a car and test how air generates motion.
- Anemometer: Build a wind-measuring device using cups and straws to explore rotational motion.
- DIY Phone Speaker: Amplify sound with a paper towel tube and cups in a fun acoustics project.
- Hand Crank Winch: Create a winch system with a crank to lift small weights.
- Water Clock: Build a device that measures time using the water flow.
- Penny Spinner: Design a coin spinner to learn about balance and rotational motion.
- Hexbug Maze Challenge: Build a maze for Hexbugs using cardboard or LEGO bricks to explore motion and interaction with obstacles.
- Candy Gears: Use candy corn and cardboard to create a simple gear system demonstrating how gears transfer motion.
- DIY Hovercraft: Create a hovercraft using a CD, a balloon, and a bottle cap to explore how air pressure reduces friction.
- DIY Wind Turbine: Create a wind turbine to learn about renewable energy sources.
- DIY Pinwheel: Turn wind energy into motion.
Electrical Engineering Activities
What it’s about: Designing devices that use electricity to power systems.
Why it fits: Electrical engineers work on circuits, motors, and energy systems that power our modern world.
Activities:
- Robot Car: Build a small car powered by a motor and battery, exploring energy and motion.
- Electromagnet: Wrap wire around a nail, connect it to a battery, and see how the nail attracts objects.
- Lemon Battery: Create a simple battery using lemons, nails, and pennies to power a small LED.
- Playdough Circuit: Use conductive playdough to light up LEDs and explore how circuits work.
- Conductivity Testing: Test household items to determine which materials conduct electricity.
- Light-Up Paper Circuit Cards: Use LEDs and copper tape to create greeting cards that light up when pressed.
- Homopolar Motor: Explore the connection between electricity and motion with simple materials.
- Art Bot: Awesome electrical and mechanical engineering! Combine motors and movement to create unique designs.
- Parallel Circuit: Build multiple paths for electricity so bulbs stay lit even if one goes out.
Series Circuit: Connect components in a single path—one break stops the circuit. - Aluminum Foil Circuit: Use foil as a conductor to light an LED.
- Flashlight: Build a flashlight using a basic electrical circuit.
Environmental Engineering Activities
What it’s about: Solving environmental problems like water filtration, renewable energy, and conservation. Take a look at your carbon footprint here.
Why it fits: Environmental engineers design systems to improve the environment and make sustainable solutions.
Activities:
- Water Filtration System: Build a filter using sand, gravel, and cotton balls to clean dirty water.
- DIY Solar Oven: Use a box, aluminum foil, and plastic wrap to build an oven that harnesses solar energy.
- Mini Greenhouse: Create a greenhouse with recycled plastic containers to grow small plants.
- Recycled Art: Turn recyclable materials into creative art or functional items.
- DIY Compost Bin: Create a mini compost system to observe decomposition and reduce waste.
- Rainwater Collector: Design a system to collect and store rainwater using recycled materials. You can also make a rain gauge as a start.
- Wind Vane: Build a wind vane with cardboard and a straw to measure wind direction.
Aerospace Engineering Activities
What it’s about: Designing vehicles that fly or travel in space, like planes, rockets, and satellites.
Why it fits: Aerospace engineers focus on motion through the air and beyond Earth’s atmosphere.
Activities:
- Bottle Rockets: Launch a rocket into the sky using a soda bottle and air pressure.
- Parachute Design: Build a parachute using fabric or coffee filters and test how slowly it descends.
- Paper Helicopter: Create a helicopter from paper and watch it spin as it falls.
- Paper Airplane Launcher: Design a launcher that propels paper airplanes, exploring force and motion.
- Wind Tunnel: Build a wind tunnel to test the aerodynamics of objects, exploring how air resistance and lift work.
💡Also take a look building a Lunar Lander and a Satellite to explore Women in STEM. Or build a model of the Aquarius Reef Base.
Optical Engineering Activities
What it’s about: Designing tools that use light to create images, measure, or analyze.
Why it fits: Optical engineers work on devices like cameras, microscopes, and spectroscopes.
Activities:
- DIY Spectroscope: Use a cardboard tube, a CD/DVD, and black paper to create a tool that splits light into its spectrum.
- Pinhole Camera: Create a simple camera using a box and aluminum foil to observe how light forms an image.
Biomedical Engineering Activities
What it’s about: Designing tools and technologies to improve healthcare and solve medical challenges.
Why it fits: Biomedical engineers develop devices like stethoscopes, prosthetics, and imaging machines.
Activities:
- DIY Stethoscope: Build a simple stethoscope to amplify body sounds.
- Pulse Counter: Create a device to count heartbeats using a balloon stretched over a jar.
Simple Machines
What it’s about: Creating tools that make work easier using fundamental mechanisms.
Why it fits: Simple machines like pulleys, levers, and ramps are the foundation of engineering.
Activities:
- Pulley System: Build a pulley using string and spools to lift small objects.
- Ramps: Test how different inclines affect the speed and distance of toy cars.
- Archimedes Screw: Use tubing or recycled materials to create a screw that moves water uphill.
- Catapults: Experiment with levers and explore how different angles affect distance and trajectory.
💡Explore more about simple machines here, along with a free printable worksheet pack.
Everyday Materials Engineering
What it’s about: Tackling real-world challenges with creative solutions using common household items.
Why it fits: Everyday materials engineering encourages innovation by using what’s readily available to design and build functional devices or systems.
Activities:
- DIY Water Carrier: Design a device to carry water using only household materials (e.g., plastic bottles, tape, string)—test for minimal spillage and ease of use.
Why it fits: Encourages creative problem-solving with a real-world application. - Trash Grabber Tool: Create a tool using cardboard, rubber bands, and straws to pick up small objects from a distance. Why it fits: Simulates how engineers design tools for accessibility and environmental cleanup.
- Snow Shovel Challenge: Create a snow shovel to remove snow and investigate material properties and simple machines.
Why it fits: Simulates how engineers design tools for durability and environmental cleanup. - Paper Cup Phones: Build a communication system using string and paper cups. Explore how sound travels.
Why it fits: Explores basic principles of communication technology while utilizing simple materials. - DIY Shade Structure: Build a small shelter using cardboard, paper, and straws to test how well it blocks sunlight.
Why it fits: Introduces basic thermal engineering concepts and problem-solving for real-world issues like heat protection. - Wind-Powered Spinner: Use paper, straws, and tape to create a spinning device powered by the wind.
Why it fits: Encourages kids to think about renewable energy and how wind power can drive motion. - LEGO Recycling Center: Use LEGO to design a model recycling facility, complete with conveyor belts (use various. materials) or sorting bins.
Why it fits: It focuses on engineering solutions for waste management, which is a critical everyday challenge.
Grab this FREE Engineering Challenge Calendar today!
Try This: STEM Questions for Reflection
These STEM questions for reflection are perfect to use with kiddos of all ages to talk about how the project went and what they might do differently next time around.
Use these questions for reflection with your kids after they have completed the STEM challenge to encourage discussion of results and critical thinking. Older kiddos can use these questions as a writing prompt for a STEM notebook. For younger kiddos, use the questions as a fun conversation!
- What were some of the challenges you discovered along the way?
- What worked well and what did not work well?
- What part of your model or prototype do you really like? Explain why.
- What part of your model or prototype needs improvement? Explain why.
- What other materials would you like to use if you could do this challenge again?
- What would you do differently next time?
- What parts of your model or prototype are similar to the real world version?
