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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)

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.

Original T-shirts made with stencil printing

Perfect for summer vacation crafts and DIY! How to make an original T-shirt with stencil printing!
Original T-shirts made with stencil printing

How about making your own T-shirt over summer vacation? We’ll use a technique called stenciling to create an original T-shirt.

You place a cutout of letters or illustrations on the fabric and paint over it with ink or other pigments.

Since you’ll wear the T-shirt, you’ll likely wash it too.

When stenciling on T-shirts or fabric, be sure to use fabric ink that won’t wash out.

While this can be a summer vacation homework project, it can also become a fun summer memory.

You might even make matching T-shirts for the whole family.

There are stencil T-shirt kits available online, so why not give them a try?

Let’s make a cardboard pochette

[Anywhere Art Summer Vacation Craft] Let’s Make a Cardboard Pochette — For Elementary School Students
Let's make a cardboard pochette

Here’s an introduction to making a pochette using cardboard.

Do you have cardboard boxes at home from parcel deliveries or from purchases at the supermarket? If you have some on hand, you can make a pochette simply by cutting it into shape, folding it, and assembling it.

Cardboard has lines where the inside is hollow.

The key is to keep those lines in mind when you cut.

If you want to create curves in your cardboard parts, cut across those lines.

Doing so will expand your creative possibilities.

Designing the pochette itself is sure to be an enjoyable time, too.

Bird call making

Super easy summer vacation homework! Make a bird call with your kids! Try talking to wild birds while camping or hiking!
Bird call making

As a craft project perfect for children who love nature observation, I recommend making a bird call.

Prepare a hand-sized wooden branch and drill a small hole in the center.

Screw in a metal part called an eye nut, and when you twist it so the wood and metal rub against each other, it produces a sound like birdsong.

Real birds may sometimes respond to this sound, so trying it out in a park after making it is part of the fun.

The volume and pitch change depending on the type of wood and the depth of the hole, so by experimenting and recording the differences, you can enhance the quality of the project as an independent study.

It’s a hands-on idea that lets kids connect with nature while sparking curiosity about how sound works.