Koukun® × Small Worlds TOKYO GW Event 2026

Sopplin is back and ready to move! 🎉

Prima Ham‘s beloved mascot Sopplin is taking over Small Worlds TOKYO — Asia’s largest miniature museum in Ariake, Tokyo — for a special Golden Week collaboration event called “Sopplin Starts Moving”🌟 Running from April 29 (Wed) through May 31 (Sun), 2026, this event is packed with interactive experiences perfect for families, friends, and kawaii fans of all ages!

The event commemorates the annual Koukun® Day on May 9 (5/9 → ko-u-ku-n in Japanese) with a full lineup of fun activations. Let’s dive in!✨

📖 What’s in this article 📖
☝️ Koukun® × Small Worlds TOKYO Golden Week collab event kicks off April 29, 2026!
✌️ AR experience, scavenger missions, workshops & limited café menus — so much to do✨
🤟 Bring Koukun® packages and exchange them for exclusive merch!

What Is the Koukun® × Small Worlds TOKYO 2026 GW Event?

Small Worlds TOKYO is a massive 7,000㎡ miniature world museum — the largest of its kind in Asia 🏛️ This Golden Week, it transforms into a Koukun®-themed wonderland where Sopplin, the adorable sausage mascot from Prima Ham, steals the show🎊

Info	Details
Event Period	April 29 (Wed) – May 31 (Sun), 2026
Venue	Small Worlds TOKYO (1-3-33 Ariake, Koto-ku, Tokyo)
Organizer	SMALL WORLDS Inc. × Prima Ham Co., Ltd.
Admission	Adults ¥3,200 / Teens ¥2,100 / Kids ¥1,700 / Under 3 Free
Hours	9:00–19:00 (Last entry 18:00)

5+ Hands-On Experiences — Try Them All!✨

Here’s what’s waiting for you inside the museum 🎶

Zoetrope Display (3F, near KIX area): Watch Sopplin come to life through strobe-lit animation — it’s mesmerizing 👀

AR Sopplin Experience: Summon Sopplin via the smartphone app “AVATAVI” and snap photos or videos together 📸

Sopplin Scavenger Mission (3F throughout): Hunt for hidden Sopplins to enter the raffle — no losing tickets! 🙌 Post on SNS with #SmallWorlds #Koukun for bonus raffle entries!

Koukun® Airplane Flight (3F KIX area): Watch a special Koukun®-branded plane take off around the half-hour mark each hour ✈️

Bring Your Koukun® Packages & Score Free Merch! Perks + Workshop Guide

Exchange Koukun® Packages for Exclusive Goodies!

One of the best parts of this event: bring your empty Koukun® sausage packages to the venue and trade them for exclusive merch 🎁 The more bags you bring, the better the reward — start stocking up before Golden Week!

Bags Brought	Reward
15 bags	1× 3D transparent sticker
5 bags	1× die-cut pouch or merch item
3 bags	1× capsule toy coin
1 bag	1× flake sticker

Hands-On Workshops (Paid) Are a Must!

Get crafty with two workshop options at the 3F Workshop Area 🎨

Sopplin Coloring Workshop: ~30 min / ¥2,500 (tax incl.)

Candy Bag Making: ~15 min / ¥1,500 (tax incl.) (add a Sopplin figure for ¥500)

Limited Café Menu & Exclusive Shop Items — Don’t Miss These!✨

Head to the 2F Museum Café for seasonal dishes using real Koukun® ingredients🍽️ The food is as cute as it is delicious!

Menu Item	Price (tax incl.)
Sopplin’s Hiding Meat Doria	¥1,200
Sopplin’s Egg & Wiener Rice Bowl	¥980
Wiener & Bacon Spring Rolls	¥490

Order any Koukun®-ingredient dish and you’ll receive a brand-new Sopplin special sticker (9 regular designs + 1 holographic) as a gift 🌟 Gotta collect ’em all!

The 1F Museum Shop carries limited merch too 🛍️

Sopplin Figure: ¥600 (tax incl.)
Hamumaru Figure: ¥800 (tax incl.)
Sopplin 3D Transparent Sticker: ¥980 (tax incl.)

And here’s the big highlight: on May 5 (Tue / Children’s Day), a real-life Sopplin character will appear for a photo session!🎊 Three time slots: 11:00, 13:00, and 15:00 at the 2F Museum Café (subject to change) 📸

Click here to buy tickets!

🌈 Wrap-Up 🌈
✅ Koukun® × Small Worlds TOKYO “Sopplin Starts Moving” runs April 29 – May 31, 2026 in Ariake, Tokyo!
✅ AR experiences, a scavenger hunt, workshops, and limited café menus make this a full day of fun✨
✅ Bring Koukun® packages for merch, order café dishes for stickers — tons of exclusive perks!

🔗 Source: PR TIMES — “Small Worlds TOKYO Koukun® Day Event 2026: Sopplin Starts Moving”