DIY science projects that elementary school boys will love: ideas you can make with everyday materials
For a summer vacation independent research craft project, you’ll want ideas that really grab boys’ interest.
In this article, we introduce craft ideas that boys can get absorbed in—like making a capsule toy (gachapon) machine out of cardboard, creating genuine fishing gear with a reel, and handcrafting air hockey or a basketball game.
They all look impressive yet can be made with everyday materials.
How about creating fun summer memories by playing with your favorite project together with friends?
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Hands-on science projects elementary school boys will love! Ideas you can make with everyday materials (41–50)
PET bottle filtration device
This is an experiment to try building a device that turns dirty water into clean water.
It helps us understand how the water we use in daily life is treated, and it’s also useful for disaster preparedness.
We’ll create layers of activated charcoal, small stones, and cloth inside a plastic bottle, then pour in cloudy water and filter it to make it cleaner.
It could also be interesting to research other materials that remove different kinds of contaminants and compare how they perform.
Note that to use the water for drinking, you need additional steps such as filtering multiple times and boiling to remove bacteria, so please take care.
Chopstick grabber
Let me introduce a chopstick grabber that’s fun to make and fun to play with.
Prepare eight wooden chopsticks, double-sided tape, plastic bottle caps, and rubber bands.
Stack four chopsticks in a crisscross pattern and secure the center with a rubber band.
Make another set the same way.
Combine the two finished sets and bind them with rubber bands where the chopsticks overlap to hold them together.
Finally, attach two plastic bottle caps to the tip, and it’s done.
Try moving the handle and have fun playing with it!
Cute mysterious bottle
A mysterious bottle where two liquids won’t mix even when tilted.
It’s a fun idea that works great as interior decor or a small gift.
First, fill the bottle about halfway with baby oil.
Next, add colored water tinted with food coloring.
Put in glitter or holograms as you like, cap it, and decorate the bottle to make it cute—and you’re done! The method is very simple, so even younger elementary school children can enjoy making it.
Along with the craft, try summarizing both your own ideas and the correct explanation for why baby oil and water don’t mix.
Paper chromatography
If you’re looking for a simple, fun, and easy-to-understand experimental project you can do in a day, try paper chromatography and “graph-phy.” All you need are several felt-tip pens, paper, a chopstick, and a cup.
By dipping the end of the paper marked with the pen into the cup, the pigments separate, letting you see which colors were used to make the pen’s ink.
This is a great free research project for upper elementary grades and up.
lottery drum
How about making a garapon, the familiar lottery machine where a ball pops out when you spin it? As long as you have the materials, it should be finished in about two days.
The key to making a garapon is carefully measuring and cutting each part to the correct length; if you do it haphazardly, it won’t spin smoothly.
Since the work is fairly detailed, it may be best suited for upper elementary school students.
You may be able to get cardboard for free at supermarkets, so try asking them first.
64-shot cardboard chopstick rubber band gun
A must-see for anyone who wants to push the limits of rubber band gun rapid fire! With this cardboard-based gun, you can fire an incredible 64 shots in a row! All you need is cardboard, a plastic bottle, chopsticks, rubber bands, kite string, plus a motor, batteries, and vinyl wire.
It’s a proper build with a built-in motor, so the difficulty is high—but that just makes the satisfaction of completing it even greater! Perfect for a summer vacation project or a stay-at-home activity during a long break—give it a try when you have time to take it slow.
Just be prepared: picking up all the rubber bands after 64 shots might be a bit of a challenge…
DIY speakers
How about making a speaker that you can plug your smartphone or portable music player into? Building a speaker might sound difficult, but to put it simply, all you need to do is make a hole for your phone—it’s that easy! Use an empty cylindrical container, like one from a snack.
Cut a hole with a utility knife big enough to fit your phone, and loosely stuff some toilet paper inside—then you’re done.
You can add a base so it stands firmly, and decorate the tube to create a cool, one-of-a-kind speaker!
