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You can make them with cardboard! Cool katanas & swords

Many of you have probably made crafts out of cardboard as part of summer vacation homework or everyday play, right?

Among those, something boys often want to try making at least once is a katana or sword, isn’t it?

With the popularity of the anime Demon Slayer: Kimetsu no Yaiba, Nichirin Blades also drew attention!

Why not try making a cardboard katana or sword, either for kids’ pretend battles or as a hobby for adults?

If you’re particular about the details, it will take time and patience, but for kids there are versions you can make quickly.

Focusing on painting could be fun too!

You can make them with cardboard! Cool Katana & Swords (11–20)

Nichirin Sword (Demon Slayer: Kimetsu no Yaiba / Giyu Tomioka)

How to Make Giyu Tomioka’s Nichirin Sword [Cardboard Craft] Demon Slayer // How to make a Giyu Tomioka Nichirin sword
Nichirin Sword (Demon Slayer: Kimetsu no Yaiba / Giyu Tomioka)

Why not try making a cardboard replica of Giyu Tomioka’s Nichirin Blade, a popular character’s sword from Demon Slayer: Kimetsu no Yaiba? While the form is simple, it faithfully recreates a proper sword that can be disassembled into four parts: scabbard, blade, guard, and handle.

You can buy cardboard at a home improvement store, but boxes from household appliances work just fine! The blade is reinforced with a bamboo skewer for added strength.

Despite its simple design, the engraved characters “Akki Messatsu” (Annihilate Evil Demons) really stand out.

It’s a perfect project for summer vacation—give it a try!

Cardboard sword that can shoot rubber bands

How to make a cardboard katana that can shoot rubber bands
Cardboard sword that can shoot rubber bands

How about making a cardboard sword that can shoot rubber bands—fun for both adults and kids? It’s also great for a summer vacation project! Since you can use cardboard you have at home, it’s easy to give it a try.

Thicker cardboard from boxes that hold 2-liter bottles is recommended.

Cut the cardboard according to the template and glue the pieces together.

The part that hooks the rubber bands is delicate, so build it carefully.

The sword looks cool on its own, but the fact that you can actually play with it as a rubber band gun is a big bonus.

Kusanagi Sword (NARUTO — Sasuke Uchiha)

NARUTO/Make Sasuke’s Kusanagi Sword/Sword of Kusanagi cardboard DIY
Kusanagi Sword (NARUTO — Sasuke Uchiha)

Let’s try crafting the Kusanagi Sword that Sasuke has in the hugely popular anime NARUTO.

You can make it with everyday items like cardboard, a utility knife, and glue, so it’s perfect for a summer vacation craft project! It’s great that you can download the templates for free, too.

The cardboard parts aren’t overly elaborate, so it seems easy enough for elementary school kids to make! You can also make a scabbard to sheath the sword, so why not play by drawing the sword coolly like Sasuke? You can show it off to your school friends as well.

Western sword

How to Make a Western-Style Sword out of Cardboard | How To Make Cardboard Sword
Western sword

How about making an orthodox, simple-form Western sword as a summer vacation project? It’s designed so that the outer cardboard layers support each other, increasing strength.

The blade might be a bit challenging because you’ll attach many small cardboard pieces, but give it your best shot.

The plump, thick scabbard is also recreated realistically.

Wrapping string around the grip adds a Western feel.

It’s built sturdy, so you can play with it after you make it!

Nichirin Sword (Demon Slayer: Kimetsu no Yaiba / Shinobu Kocho)

Striking Shinobu Kocho’s Nichirin Blade with cardboard / Demon Slayer / Shinobu’s Nichirin Blade Cardboard DIY – Demon Slayer – Crafty Transformer
Nichirin Sword (Demon Slayer: Kimetsu no Yaiba / Shinobu Kocho)

Why not try recreating the Nichirin Blade of Shinobu Kocho, the cool and composed fan-favorite from Demon Slayer, using cardboard? The guard, habaki, and scabbard are adorned with wisteria—the symbol of Shinobu—resulting in a gorgeous sword! Since it’s a relatively slender blade, reinforce the core of the blade with a wooden rod.

It also faithfully replicates details from the anime, such as adding a hole in the tip cap for the poison.

Make it as a summer vacation project and stand out in your class!

Lucifer’s Sword (Puzzle & Dragons)

[Puzzle & Dragons] Making Lucifer’s Sword out of cardboard [P&D]
Lucifer's Sword (Puzzle & Dragons)

How about making the sword of Super Reincarnated Seraph Lucifer from the popular game Puzzle & Dragons using everyday cardboard? If you make it for your summer vacation project, you’ll be the star of the class! The glowing parts are made by placing LED bulbs inside halved color balls, so it also works as a science project and is great for summer homework.

It’s a very large sword with lots of parts, so it might be nice to make it with a little help from Mom and Dad.

You can make them with cardboard! Cool Swords & Blades (21–30)

Cardboard Diamond Axe

In the world of Minecraft, wood is an essential item! So when you find a tree, you’ll chop it down—and that’s where the axe comes in.

Axes can be made from various materials like wood, stone, and iron, but I think many kids really want a diamond axe! It looks cool, and it’s durable and cuts wood fast.

So why not make a diamond axe as a birthday present? Use cardboard for the base, and colored construction paper or colored tape for the colored parts—easy! Be sure to make it a size that your child can hold and play with.