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[For First Graders] A Collection of Science Project Ideas Using Everyday Materials

Many first graders struggle with their summer vacation projects and crafts.

It’s completely understandable to feel unsure—“It seems hard,” “What should we make?” In this article, we introduce experiment and craft ideas that kids can enjoy.

From a fascinating experiment with floating vegetables, to postcards made from milk cartons, to colorful aroma stones—there are plenty of fun projects using familiar materials.

Enjoy them together as a parent and child, and make great summer memories!

[For 1st Graders] A Collection of Science Project Ideas Using Everyday Materials (41–50)

Butter Even Elementary School Students Can Make

@nonno.chan

I recreated a summer vacation science project I made a long time ago: homemade butter!#Summer VacationIndependent Research#HandmadeButterHomework#tiktoksummerbreak#meijiMeiji Delicious Fresh Cream

♬ 3 minutes cooking style pop / cooking / sweets(957554) – ArcTracks

Here’s a summer vacation science project idea for making authentic butter at home using heavy cream, salt, and a plastic bottle.

Put heavy cream and a pinch of salt into a plastic bottle, close the cap tightly, and shake it vigorously.

After shaking for a while, the contents will separate into liquid and solids.

This is the sign that butter and buttermilk have separated.

Pour off the liquid, cut the bottle open with scissors, and take out the contents—the butter is ready.

Spread it on bread to enjoy a special flavor that really lets you feel you made it yourself.

Watching the cream change teaches about dairy processing and fat separation.

The hands-on, energetic shaking is fun and gives a sense of accomplishment, making this a great idea for elementary school students.

Milk Carton Rolling Tower

@silk_haru3mama

[Summer Vacation Craft/Independent Study] I made a rolling ball tower out of a milk carton 🌻#Summer VacationSummer Vacation Independent ResearchSummer Vacation Crafttranslation#HandmadeToysworkIndependent ResearchScrap Material CraftingSimple craft#AtHomePlay#craft

♬ Electro Swing Jazz – Retro, strange, mysterious(1137053) – Ponetto

Let’s reuse empty milk cartons to make a fun rolling tower where a ping-pong ball tumbles down! Cut the milk cartons and connect two of them to create a long cylindrical base.

Make holes and slits in paper plates, attach them in a stepped arrangement, and adjust the angles so the ball rolls smoothly through.

Add slits to the side of the cylinder so the ball won’t stop midway and will drop all the way to the bottom.

If you wrap the whole thing with a tube-shaped cover made from a clear file, the ball won’t fly out and it’s safer to play with.

A bonus is that kids can learn about gravity and incline through the speed of the rolling ball and the fun sounds it makes.

It’s an eco-friendly idea that uses recycled materials to create a moving, interactive project.

A piggy bank that helps you save while having fun

Let’s use Daiso’s 3-tier drawer case to make a fun, game-like piggy bank over summer break.

First, flip the second and third drawers upside down and reassemble them so the flat sides face the front.

Next, cut corrugated plastic (plastic cardboard) into any shapes you like and attach it to the outside of the drawers to create a design that looks great.

Inside, apply double-sided tape so coins pause partway and drop slowly as they travel down.

With a piggy bank you made yourself, saving money becomes fun and easier to turn into a habit.

It’s a unique, practical idea that can change your everyday life through creativity and ingenuity.

Key rack made from 100-yen shop materials

[100-Yen DIY] Easy Craft: Key Rack and Accessory Holder – Summer Vacation DIY
Key rack made from 100-yen shop materials

This is a key rack packed with ideas, made using photo frames.

Prepare three identical photo frames: two will form the body and one will be the lid.

Start by making the body.

First, cut a cork sheet to fit the inside dimensions of a photo frame, apply a decorative remake sheet, and attach it to the first frame.

Next, glue the second frame on top of the first.

That completes the body.

Then, use hinges to connect the third frame to the body as a lid.

Finish by attaching an arch latch.

By inserting aluminum pins into the cork sheet, you can hang your keys on them.

It’s a creative project that turns photo frames into a key rack.

Try painting it or adding your own touches to make it uniquely yours.

Sumikko Gurashi piggy bank

[Perfect for a Summer Vacation Project!] How to Make a Piggy Bank (Sumikko Gurashi)
Sumikko Gurashi piggy bank

I’ll introduce how to make a Sumikko Gurashi piggy bank out of origami.

Prepare two sheets of origami paper and one small sheet, then let’s get started.

Use the small origami paper to make the 5-yen coin part.

Fold the corners toward the center, then fold the surrounding corners as well.

It will form the shape of a 5-yen coin, so draw the details with a felt-tip pen.

For the base piggy bank, fold the origami toward the center to create creases.

Following the creases, tuck the paper inward to form a square box.

Make two identical boxes; on one of them, attach the 5-yen coin and draw the face.

The key point is to change the color of the origami depending on the character.

Candy Magnet

[Easy Recipe] How to Make Candy Magnets from Fabric Scraps – Summer Vacation Craft, Recycled, Magnetic, Easy Fabric Accessory / How to Make a Candy Magnet / DIY / Easy
Candy Magnet

Let’s make a magnet that looks like a candy with twisted ends.

The materials and steps are very simple, so it’s highly recommended.

First, prepare strong magnets from a 100-yen shop, a plastic bottle cap, and a fabric scrap with a pattern you like.

Start by gluing the magnet to the back of the bottle cap.

Next, cut the fabric scrap to 14 cm by 10 cm, then fold back and glue three sides, leaving just one of the short sides unfolded.

Once the glue is dry, wrap the bottle cap with the fabric and secure it with glue.

Finally, to create the candy shape, gather and stitch the fabric at both ends with thread.

You’re done! Try making lots in different colors and patterns.

gel candle

[100-Yen DIY] Easy Gel Candle: Perfect for Summer Vacation Homework, Home Time, and Room Makeovers
gel candle

At 100-yen shops, you can find a product called gel candles, and with them you can easily make homemade candles.

Gel candles are easy to handle, and you can even pour two different colors one on top of the other to create a two-layer candle.

The way the colors blend slightly between the layers also gives it a lovely look.

Plus, by placing items you like—such as colored sand, seashells, or dried flowers—into the glass before pouring in the gel candle, you can create a more stylish and original piece.

Give it a try and make one with your own sense of style.