---
product_id: 641972398
title: "Sonic S4 W1 Hero Pk Unstoppable Surge Knuckles"
brand: "heroes of goo jit zu"
price: "¥9439"
currency: JPY
in_stock: true
reviews_count: 5
category: "Heroes Of Goo Jit Zu"
url: https://www.desertcart.jp/products/641972398-sonic-s4-w1-hero-pk-unstoppable-surge-knuckles
store_origin: JP
region: Japan
---

# Glow-in-the-Dark Power 3x Stretchable Size Unique Bead-Filled Goo Sonic S4 W1 Hero Pk Unstoppable Surge Knuckles

**Brand:** heroes of goo jit zu
**Price:** ¥9439
**Availability:** ✅ In Stock

## Summary

> ⚡ Stretch, Glow, and Conquer Playtime with Unstoppable Surge Knuckles!

## Quick Answers

- **What is this?** Sonic S4 W1 Hero Pk Unstoppable Surge Knuckles by heroes of goo jit zu
- **How much does it cost?** ¥9439 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/641972398-sonic-s4-w1-hero-pk-unstoppable-surge-knuckles)

## Best For

- heroes of goo jit zu enthusiasts

## Why This Product

- Trusted heroes of goo jit zu brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Scrunchy Sensation:** Filled with unique beads for a satisfying scrunchy texture that elevates tactile play to a whole new level.
- • **Mess-Free Gooey Fun:** Experience gooey, squishy play without any mess—perfect for your desk, tabletop, or chill downtime.
- • **Glow Surge Brilliance:** Unstoppable Surge Knuckles lights up your playtime with vibrant glow-in-the-dark magic, making every adventure unforgettable.
- • **Stretch Beyond Limits:** Squish and stretch up to 3 times its size—then watch it snap back perfectly, ready for endless squeezes and fun.
- • **Iconic Sonic Crossover:** Join the ultimate fusion of Heroes of Goo Jit Zu and Sonic the Hedgehog—because your collection deserves legendary status.

## Overview

The Heroes of Goo Jit Zu Sonic S4 W1 Hero Pk Unstoppable Surge Knuckles is a 5.2-inch glow-in-the-dark, squishy action figure featuring a unique bead-filled goo that stretches up to 3x its size and returns to shape. Designed for kids aged 4 and up, it offers mess-free tactile fun inspired by the iconic Sonic the Hedgehog universe.

## Description

Heroes of Goo Jit Zu Sonic S4 W1 Hero Pk Unstoppable Surge Knuckles

Review: No brilla en la oscuridad - No brilla en la oscuridad
Review: Bello - Resistente e bello

## Features

- Sonic the Hedgehog and Heroes of Goo Jit Zu have combined forces bringing the ultimate line-up of the stretchiest, Glow-in-the-Dark characters ever! Introducing GLOW SURGE - Unstoppable Surge Knuckles!
- NEW Glow Surge Heroes of Goo Jit Zu gives Unstoppable Surge Knuckles Glow-in-the-Dark Power!
- Kids can squish and stretch their Unstoppable Surge Knuckles Goo Jit Zu figure up to 3x its size! Best thing is it will always return to its original shape.
- Unstoppable Surge Knuckles' goo has a unique bead filling making him feel super scrunchy!
- Heroes of Goo Jit Zu provides kids with a new GOOEY way to play with no mess!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CPMFRWYR |
| Additional Features | Glow Surge |
| Age Range Description | Youth |
| Animal Theme | Hedgehog |
| Are Batteries Required | No |
| Best Sellers Rank | #35,465 in Toys ( See Top 100 in Toys ) #1,211 in Kids' Play Action Figures |
| Brand Name | Heroes of Goo Jit Zu |
| Collection Name | Sonic the Hedgehog |
| Color | Multicolor |
| Customer Package Type | FFP |
| Customer Reviews | 4.6 4.6 out of 5 stars (447) |
| Edition | Regular |
| Finish Type | Glossy |
| Global Trade Identification Number | 00630996427477 |
| Included Components | 1 Goo Jit Zu Lic Sonic |
| Indoor Outdoor Usage | Indoor |
| Inner Material | Thermoplastic Rubber |
| Is Assembly Required | No |
| Is Autographed | No |
| Item Dimensions | 8.2 x 8.4 x 13.2 centimeters |
| Item Dimensions L x W x H | 7.4L x 7.4W x 7.4H centimeters |
| Item Type Name | TOYS_AND_GAMES |
| Item Weight | 0.44 Pounds |
| Manufacturer | MOOSE TOYS LLC |
| Manufacturer Maximum Age (MONTHS) | 156.0 |
| Manufacturer Minimum Age (MONTHS) | 48.0 |
| Manufacturer Part Number | 42747 |
| Manufacturer Warranty Description | No warranty |
| Material Type | Acrylonitrile-Butadiene-Styrene Copolymer ,Gid Powder,Thermoplastic Rubber,Water Beads,Poly (Vinyl Chloride) Copolymer |
| Model Name | Unstoppable Surge Knuckles |
| Model Number | 42747 |
| Number of Pieces | 1 |
| Number of Players | 1 |
| Occasion | imaginative play |
| Operation Mode | manual |
| Outer Material | Thermoplastic Rubber |
| Play Activity Location | Tabletop |
| Power Source | Manual |
| Recommended Uses For Product | play with it, play in the dark |
| Scale | Super Size |
| Set Name | Sonic the Hedgehog x Heroes of Goo Jit Zu |
| Size | 5.2 inches (H) x 3.23 inches (L) x 3.31 inches (W) |
| Style | Knuckles - Glow in the Dark |
| Sub Brand | Sonic the Hedgehog |
| Team Name | Heroes of Goo Jit Zu |
| Theme | Video Game |
| Toy Figure Type | Squishy |
| UPC | 630996427477 |
| Unit Count | 1 Count |
| character | Knuckles |

## Images

![Sonic S4 W1 Hero Pk Unstoppable Surge Knuckles - Image 1](https://m.media-amazon.com/images/I/71W8n3HY7tL.jpg)

## Customer Reviews

### ⭐ No brilla en la oscuridad
*by L***A on 13 April 2025*

No brilla en la oscuridad

### ⭐⭐⭐⭐⭐ Bello
*by M***I on 26 December 2025*

Resistente e bello

### ⭐⭐⭐⭐⭐ Great
*by A***R on 10 June 2026*

This is the perfect size for battling the other sonic characters! We are big sonic fans, and it was a big hit with the kiddos. It has held up wonderful with two wild kids.

## Frequently Bought Together

- Heroes of Goo Jit Zu Unstoppable Surge Knuckles, Powered Up with Glow Surge Giving Him Glow-in-The-Dark Powers, Scrunchy, Stretchy Filling, Stretch Him Up to 3 Times His Size
- Heroes of Goo JIT Zu Minis Sonic 6 Pack - Collectible Stretchy Minis, 6 Stretchy Sonic Characters

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-09*