Junk Model projects
Turn the recycling into rockets, robots, castles and creatures. Junk modelling projects that use cardboard boxes, tubes, bottles and egg boxes, with step-by-step instructions for children aged 4–12.
12 projects · page 1 of 1
Projects
Whoosh-Crackle-Pop Sound Effects Kit
Children make whooshes, crackles, pops and bangs from household junk to create a firework soundtrack. They learn that every sound is made by something vibrating, and think about why real fireworks can frighten pets and some people, and how to be kind on Bonfire Night.
Glowing Tissue-Flame Bonfire
Builds a pretend bonfire from cardboard-tube logs and tissue-paper flames that glows with a battery tea light. Along the way children learn that a real fire needs fuel, heat and air, and the Bonfire Night safety rules: grown-ups light fires, and everyone else stays well back.
Tube-Stamp Firework Prints
Turns old cardboard tubes into fringed stamps that print bursting fireworks on black paper. Children discover radial patterns that spread out from a centre, and see how bright colours stand out best against a dark background, just like real fireworks in the night sky.
Egg-Box Marigold Toran
Children turn egg boxes and paper into a toran, a decorative garland of marigold flowers and mango leaves hung over the doorway at Diwali to welcome guests and bring good fortune. They practise cutting, painting and making a repeating colour pattern.
Egg Box Bat Garland
Cutting and painting egg box cups builds scissor control, and making matching wings on both sides is a simple lesson in symmetry. It is also a chance to learn how real bats find their way in the dark using echoes.
🔒 PremiumClimbing Spider String Toy
Pulling the strings one at a time makes the spider climb because the angled straws grip the string with friction on one side and slide freely on the other. It is a hands-on way to explore forces, friction and angles.
Glowing Jack-o'-Lantern Jar
Turns an empty jam jar into a pumpkin lantern and shows the difference between translucent materials, which let light glow through, and opaque ones, which block it and make the face shapes.
Astronaut Helmet
Making a wearable helmet from a box teaches you why real astronauts need a sealed helmet to breathe and stay safe in space, where there is no air.
Junk Drum Kit
Different containers make different sounds — big and hollow is deep, small and tight is sharp.
Junk Robot
Design and imagination - planning a build from the parts you have.
Cardboard Marble Run
Gravity, slopes and speed - steeper ramps make the marble go faster.
🔒 PremiumWater Filter from a Bottle
Filtering removes bits from dirty water; layers trap different sizes of dirt (but don't make it safe to drink).