As Children’s Day approaches, many teachers at daycare centers and kindergartens may be wondering how to decorate their walls.
Decorations featuring motifs perfect for the Boys’ Festival, such as carp streamers (koinobori) and Kintaro, create a seasonal atmosphere and make children’s eyes light up.
Here, we introduce ideas that are perfect for Children’s Day wall decorations.
You’ll find plenty of ideas to choose from to suit your facility’s vibe, from those using familiar materials to colorful and festive designs.
We hope you’ll find them helpful!
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[Children’s Day] Let’s make and display! Children’s Day wall decoration collection (1–10)
Koinobori made with paper chains

A vibrant interior accent! Here are ideas for making carp streamers using paper chains.
Displaying ready-made carp streamers is nice, but how about turning the making process itself into a memory? Creating them together—from children to adults—can deepen bonds as you communicate through conversation.
Try making colorful and dynamic carp streamers with origami paper, construction paper, and paper tape.
Once you finish, you’re sure to feel a sense of accomplishment.
Hanging carp streamers

Be soothed by the gently swaying decorations! Here are some ideas for a hanging carp streamer (koinobori).
How about making a cute koinobori using familiar materials? Cut construction paper into a carp streamer shape, apply glue, then crumple torn pieces of tissue paper and stick them on.
Finish by coloring it with paint diluted in water, and your koinobori is done.
Attach the parts with twine to turn it into a hanging koinobori decoration.
Give it a try!
Make a carp streamer with dyed paper

Here’s an idea for making carp streamers (koinobori) with dyed paper that’s perfect for older kindergarteners.
At this age, children are becoming more independent and developing a sense of responsibility.
It’s also their final year in preschool or kindergarten, spent with teachers and friends—a precious time to create memories and feel their growth through hands-on projects.
You’ll need dyed paper or calligraphy paper (hanshi), paints, crayons, scissors, glue, and rubber bands.
Both the process of making and the time spent admiring the finished work will become cherished memories.
Color-changing Koinobori
@yopiko148 I tried making a pattern-changing carp streamer, kind of like a sequin T-shirt ♡#HandmadeToysKoinobori CraftingTranslation#Secret message
♬ Osakana Tengoku – Sayu Mayu
When you stroke the scales with your hand—like magic!—the colors change.
Here’s an idea for a carp streamer (koinobori) that I’d like to share.
It’s a unique concept I recommend for anyone unsure how to make their koinobori.
You’ll need construction paper, vivid-colored round stickers, and pastel-colored round stickers.
In recent children’s clothing, you often see designs where stroking sequin illustrations with your hand changes the pattern, right? Using that idea, you can make a koinobori that’s fun to create and fun to play with.
Koinobori of Kashiwa Mochi
Let’s make a Kashiwa-mochi carp streamer using kashiwa mochi, which is eaten during the Boys’ Festival (Tango no Sekku).
Cut construction paper into a leaf shape, draw the veins with a white crayon, and paint over it with green paint to create a wax-resist effect.
Cut another piece of construction paper into the shape of a carp streamer and draw patterns with crayons inspired by kashiwa mochi.
Place the leaf on top and glue them together.
Attach a face and a samurai helmet folded from origami, then stick them onto the carp streamer to finish.
It also sounds fun to choose parts of the project according to the child’s age and ability!
Koinobori and Kintaro
We’ll introduce a craft activity featuring carp streamers (koinobori) and Kintaro.
Prepare a paper plate, ribbon, a photo of the child, and koinobori cutouts.
Cut out the center of the paper plate to make a wreath base.
Use finger stamping on the koinobori to create the scales.
Place the child’s photo in the center and add a Kintaro headpiece on top.
Attach the koinobori as well, and you’re done! We recommend using paper plates with printed patterns.
This is a craft that even 0-year-olds can enjoy, so give it a try.
Colorful Unit Koinobori

Let’s connect triangular parts and make it! Here’s an idea for a colorful unit-style carp streamer.
When you think of Children’s Day, many of you probably picture koinobori, right? This time, let’s make a koinobori using colorful origami! What you’ll need: eight pieces of origami cut to 7.5 cm, and a strip of white origami cut to 15 cm by 3 cm.
Although the finished piece looks complicated, the charm of this idea is that it can be made with simple steps!


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