---
product_id: 634753177
title: "Official 9 Square Ball 12\" Inflatable Bouncy Ball for Indoor/Outdoor Use (Black Light Green)"
brand: "castle sports"
price: "¥7085"
currency: JPY
in_stock: true
reviews_count: 5
category: "Castle Sports"
url: https://www.desertcart.jp/products/634753177-official-9-square-ball-12-inflatable-bouncy-ball-for-indoor
store_origin: JP
region: Japan
---

# Consistent high bounce Blacklight reactive glow 12-inch perfect size Official 9 Square Ball 12" Inflatable Bouncy Ball for Indoor/Outdoor Use (Black Light Green)

**Brand:** castle sports
**Price:** ¥7085
**Availability:** ✅ In Stock

## Summary

> 🌟 Bounce into the spotlight with the Official 9 Square Glow Ball!

## Quick Answers

- **What is this?** Official 9 Square Ball 12" Inflatable Bouncy Ball for Indoor/Outdoor Use (Black Light Green) by castle sports
- **How much does it cost?** ¥7085 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/634753177-official-9-square-ball-12-inflatable-bouncy-ball-for-indoor)

## Best For

- castle sports enthusiasts

## Why This Product

- Trusted castle sports brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Safe:** Soft yet tough PVC construction ensures safe play indoors or outdoors without damage or injury.
- • **Glow-Up Your Play:** Vibrant blacklight green color that electrifies night games and parties with a glowing edge.
- • **Game-Ready Precision:** Officially designed for flawless 9 Square gameplay, balancing size and bounce for competitive fun.
- • **Portable Fun Anywhere:** Inflates quickly and packs easily—perfect for schools, camps, or spontaneous game nights.
- • **Lightweight & Maneuverable:** Inflatable 12-inch ball that's easy to handle for teens and adults, keeping the pace fast and fluid.

## Overview

The Official 9 Square Ball is a 12-inch inflatable PVC ball engineered for optimal bounce and control in 9 Square games. Its blacklight-reactive bright green color adds a dynamic glow for night play, while its durable yet soft construction ensures safe, versatile use indoors and outdoors. Lightweight and portable, it’s the must-have upgrade for any 9 Square enthusiast looking to elevate group fun and competitive play.

## Description

Official 9 Square Inflatable Ball by Castle SportsIncludes: One 12” inflatable 9 Square ballComplete your 9 Square setup with the Official 9 Square Inflatable Ball from Castle Games. Designed specifically for 9 Square gameplay, this ball delivers the ideal size, weight, and bounce to keep games fast, fair, and fun.The 12” inflatable design makes it easy to control while still providing exciting rebound during play. Teens and adults can all jump into the action with confidence and comfort. Its bright blacklight green color adds an eye-catching glow effect for nighttime games, parties, and special events, giving your 9 Square setup an extra layer of excitement.Built for both indoor and outdoor use, this ball is soft enough for safe group play yet durable enough to handle repeated games on grass, pavement, playgrounds, and gym floors.Whether you’re replacing a lost ball or adding an extra for larger groups, the Official 9 Square Ball is the perfect finishing touch for any Castle Squares game set.Simple, reliable, and made for nonstop play, it keeps every match moving and every group smiling.

Review: Great Ball for 9 square - The ball was great! It was the perfect cross between a beach ball and a volleyball. It worked great for our church activity. Perfect for 9 Square!
Review: Great - Good product early delivery 👍

## Features

- OFFICIAL 9 SQUARE GAME BALL – Designed specifically for 9 Square gameplay, this inflatable ball delivers the perfect balance of size, bounce, and control for fast-paced group fun.
- PERFECT SIZE & FEEL – 12” inflatable design provides consistent bounce while staying lightweight and easy to handle for teens and adults.
- BLACKLIGHT GREEN STYLE – Bright green color glows under blacklight, adding extra excitement for night games, parties, and special events.
- DURABLE & SAFE PLAY – Soft yet durable construction is built for active outdoor use without hurting hands or causing damage to surfaces.
- PORTABLE & GIFTABLE – Easy to inflate, easy to carry, and fun to share. A great replacement or extra ball for families, schools, camps, and 9 Square game lovers.
- ADD MORE FUN! - Try playing 9 Square Castle Squares with more than one ball to challenge your 9 Square skills!
- Pump not included.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C7SVGFSC |
| Age Range (Description) | Kid |
| Age Range Description | Kid |
| Ball Type | ball |
| Best Sellers Rank | #56,057 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #104 in Playground Balls #810 in Outdoor Games & Activities |
| Brand | Castle Sports |
| Brand Name | Castle Sports |
| Color | Black Light Green |
| Construction Type | Inflatable, PVC |
| Customer Reviews | 4.3 out of 5 stars 15 Reviews |
| Global Trade Identification Number | 00197644047765 |
| Included Components | Ball |
| Item Diameter | 12 inches |
| Manufacturer | Castle Sports |
| Material | PVC |
| Material Type | PVC |
| Model Number | 111003738 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Size | 16" |
| Sport | 9 Square |
| Sport Type | 9 Square |
| Unit Count | 1 Count |

## Product Details

- **Age Range (Description):** Kid
- **Brand:** Castle Sports
- **Color:** Black Light Green
- **Material:** PVC
- **Sport:** 9 Square

## Images

![Official 9 Square Ball 12" Inflatable Bouncy Ball for Indoor/Outdoor Use (Black Light Green) - Image 1](https://m.media-amazon.com/images/I/51cCH-3mQ8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Ball for 9 square
*by D***A on March 9, 2026*

The ball was great! It was the perfect cross between a beach ball and a volleyball. It worked great for our church activity. Perfect for 9 Square!

### ⭐⭐⭐⭐⭐ Great
*by M***R on March 22, 2026*

Good product early delivery 👍

### ⭐⭐⭐⭐⭐ Fun ball
*by B***Y on March 3, 2025*

Fun ball!

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**Shop now:** [https://www.desertcart.jp/products/634753177-official-9-square-ball-12-inflatable-bouncy-ball-for-indoor](https://www.desertcart.jp/products/634753177-official-9-square-ball-12-inflatable-bouncy-ball-for-indoor)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-04*