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Elementary School Students: Simple One-Day Science Project and Craft Ideas

For elementary school summer break projects and crafts, we recommend starting with something your child is already interested in.

When it’s something they like, they can enjoy working on it.

Here, we introduce simple ideas for elementary school students! These are experiments and crafts you can do in a single day.

The materials are things you already have at home or can get quickly, so even if you’re short on time, no worries.

Perfect for those who are “stuck on a theme” or “looking for an easy and fun project”! Find your favorite and give it a try.

[Elementary School] Simple One-Day Science Projects and Crafts (61–70)

How to make a paper popper

How to Make a Paper Pop Gun [Craft Using a Wrap/Core Tube]
How to make a paper popper

Here’s how to make a simple paper pop gun using a plastic wrap core.

First, roll up some paper to make a small ball about 1 cm in diameter.

Cut a balloon around the middle and attach it to the end of the wrap core.

Secure it with a rubber band so it doesn’t come off, and you’re done! Put the paper ball inside, pull the balloon back, and launch the paper ball you made.

You can also decorate the gun however you like or use cardboard to give it a cool gun shape.

Have fun with your own original ideas!

Let’s try making invisible-ink toast

Fun Drawing Toast! (Science Experiments You Can Do at Home, May 2018 issue)
Let's try making invisible-ink toast

This is a lovely experimental idea to make your daily breakfast a bit more fun.

Use store-bought lemon juice from a supermarket to paint a picture on a slice of bread with a brush before toasting.

When you toast it as is, the painted parts turn brown, creating a surprisingly easy and magical effect.

With this, you might find a little something to look forward to before your breakfast each day.

Colorful Koropika Mud Dumpling

We had fun making colorful mud dumplings (dorodango) :)
Colorful Koropika Mud Dumpling

Mud dumplings are something everyone got hooked on as a kid.

You’d gather the best-looking sand, try to make them as round and shiny as possible, and keep polishing even when it was time to go home—great memories, right? Since they’re made from soil and sand, they don’t naturally turn colorful, but with the kit introduced here, you can make bright red, blue, and yellow mud dumplings.

The tools are different, but the making process is the same as regular mud dumplings, so parents and kids can enjoy it together while reminiscing about childhood.

As long as you have the kit, you can work on top of newspaper indoors, so even children worried about heatstroke or virus infections can have fun!

Fizzy Ramune Experiment

Why not try making fizzy ramune tablets for your summer break science project and enjoy their colors and sounds when dropped into water? After thoroughly mixing ingredients like powdered sugar, cornstarch, and food-grade citric acid, add food coloring to make them visually fun.

Press the mixed dough with two spoons to shape it just right.

Let them dry for about half a day to finish the ramune.

When eaten, they fizz in your mouth, letting you experience the curious chemical reaction of carbonation.

It’s a safe project even for children, using the carbon dioxide produced by the reaction between lemon juice’s acid and baking soda.

You can boost originality by changing the colors and flavors.

It’s a great idea for learning chemistry with familiar materials.

Let’s learn about sugar crystallization while making canelés.

Let’s make an experimental piece using a canelé mold for sweets.

Put powdered gelatin into a container filled with water and heat it in the microwave.

After heating, add sugar, color it with edible food coloring, and heat it in the microwave again.

Pour it into the canelé mold, and once it sets, remove it from the mold.

Your beautiful, colorful sugar canelés are ready.

At first, they look jiggly, but after a week, the sugar crystallizes and they turn into sparkly, crystal-like pieces.

You can enjoy watching the sugar change over time.

Cake-shaped accessory case

@hoikushisatomi

[Even kids can make it] Cake-like trinket box 🍰Seasonal craftsChildcare ideasLife with childrenNursery teacher / Childcare worker#Creative PlayKids will love itChildren's Day#crafts#craftkids

♫ Winter Maple Leaves – Sasa.

Here’s an idea for a cake-themed trinket holder made with paper cups.

First, take one paper cup and cut straight from the rim down to the base, then cut out the base as well.

Use this as the template base, and decorate it by attaching felt or construction paper to make it look like a cake.

Once you’ve finished decorating the base, attach it to another paper cup, and you’re done.

It’s easy and cute, and you can customize the decoration however you like—highly recommended! With a bit more effort, you can even add a lid to the trinket holder, so give that a try if you have the time.

Refreshing! Square Bag

@n.annlee321

A cool-looking square bag design 💕 Perfect for a summer vacation craft project, too 🥰🫶✨#100-yen-shop#100-yen shop DIY#Summer VacationSummer Vacation CraftDaiso

♬ Good luck to me tomorrow – NANAOAKARI

Here’s an idea for making a bag using bag hardware from a 100-yen shop, plant pot mesh, and yarn in your favorite color and material.

First, cut the plant pot mesh to match the size of the bag hardware, then crochet or stitch the yarn onto the mesh.

Once you’ve finished attaching the yarn, sew the mesh and the bag hardware together.

Finally, add the handles and your favorite decorations to complete the bag.

With this method as a reference, it seems like you could create all kinds of items depending on your ideas!