---
product_id: 555372906
title: "Sunny Days Entertainment Nucleus Expandable Ball - Breathing Toy - Ages 3+ | 5.5-10 in Diameter, Plastic Construction, Rainbow Geometric Design, Concentration And Dexterity, Manual Hand Powered"
brand: "sunny days entertainment"
price: "$39.06"
currency: USD
in_stock: true
category: "Sunny Days Entertainment"
url: https://www.desertcart.us/products/555372906-sunny-days-entertainment-nucleus-expandable-ball-breathing-toy-ages-3
store_origin: US
region: United States of America
---

# Vibrant rainbow geometric design Manual hand-powered, no batteries Expands 5.5” to 10” diameter Sunny Days Entertainment Nucleus Expandable Ball - Breathing Toy - Ages 3+ | 5.5-10 in Diameter, Plastic Construction, Rainbow Geometric Design, Concentration And Dexterity, Manual Hand Powered

**Brand:** sunny days entertainment
**Price:** $39.06
**Availability:** ✅ In Stock

## Summary

> 🌟 Expand your focus, shrink your stress with every squeeze!

## Quick Answers

- **What is this?** Sunny Days Entertainment Nucleus Expandable Ball - Breathing Toy - Ages 3+ | 5.5-10 in Diameter, Plastic Construction, Rainbow Geometric Design, Concentration And Dexterity, Manual Hand Powered by sunny days entertainment
- **How much does it cost?** $39.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/555372906-sunny-days-entertainment-nucleus-expandable-ball-breathing-toy-ages-3)

## Best For

- sunny days entertainment enthusiasts

## Why This Product

- Trusted sunny days entertainment brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Safe:** Made with non-toxic, tough plastic designed to withstand active play.
- • **Portable Stress Buster:** Lightweight and easy to carry, perfect for on-the-go mindfulness and fidgeting.
- • **Vibrant Social Icebreaker:** Rainbow hues and unique design make it a standout gift and conversation starter.
- • **Transformative Play Experience:** From compact star to giant sphere—endless tactile fun for focus and stress relief.
- • **Boosts Concentration & Dexterity:** Engages hands and mind, ideal for improving focus in kids and adults alike.

## Overview

The Sunny Days Entertainment Nucleus Expandable Ball is a versatile, hand-powered sensory toy that expands from 5.5 to 10 inches in diameter. Crafted from durable, non-toxic plastic, its vibrant rainbow geometric design offers both visual appeal and tactile engagement. Lightweight and portable, it’s perfect for kids ages 3+ and adults seeking a fun, effective tool to boost concentration, relieve anxiety, and keep hands busy anytime, anywhere.

## Description

Push, pull, roll or toss the Nucleus Expandable Ball to watch it shrink and grow! With bright rainbow colors and geometric shape, this lightweight toy starts at 5.5” and expands to 10” in diameter! Open the Expandable Ball to a giant sphere and play a game of catch with friends or transform it into a small geometric star and use it as a tactile fidget toy for hours of entertainment. The fidget sphere can also be used as a tool to soothe anxiety and improve concentration by shrinking and growing with your breath to increase focused thoughts, calm down or soothe anxiety. Whether for fun or focus, you can endlessly reuse this long-lasting toy that is perfect for keeping hands busy and relieving stress! Designed with durable, non-toxic materials, the Nucleus Expandable Ball is perfect on-the-go fidget fun for adults and children ages 3 and up!

## Features

- BREATHING BALL: With the Nucleus Expandable Ball, it's hours of fun to pull, push, roll and toss Measuring 10 inches in diameter when fully opened, there’s so much sensory fun to be had.
- SENSORY PLAY: The perfect fidget toy to help kids create some laughs and relieve stress. Great for keeping hands busy, soothing anxiety, increasing focus, and having fun.
- LIGHTWEIGHT and PORTABLE: A lightweight design and expandable shape make it easy to bring your favorite fidget toy with you. Take the Nucleus Expandable Ball anywhere for on-the-go fun.
- SAFE and DURABLE DESIGN: This expandable ball is made of durable, non-toxic material for long lasting use, and its shape allows it to withstand tough play.
- GREAT GIFT: This toy is a favorite for all ages It’s colorful design and unique stress relief make it the perfect party favor, stocking stuffer, or relaxation gift for anyone ages 3 and up.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CD92BP3D |
| Age Range Description | Kid |
| Best Sellers Rank | #20,472 in Toys & Games ( See Top 100 in Toys & Games ) #1,063 in Squeeze Toys |
| Brand Name | Sunny Days Entertainment |
| Color | Multi |
| Customer Reviews | 4.3 4.3 out of 5 stars (919) |
| Educational Objective | Concentration, Dexterity |
| Global Trade Identification Number | 00810009208099 |
| Included Components | 1 Expandable Ball |
| Item Dimensions | 5 x 4.99 x 5 inches |
| Item Type Name | Nucleus Expandable Ball – Breathing Toy Sphere for Kids & Adults – Expands from 5.5’’ to 10’’ |
| Item Weight | 1.6 ounces |
| Manufacturer | Sunny Days Entertainment, LLC. |
| Manufacturer Maximum Age (MONTHS) | 144 |
| Manufacturer Minimum Age (MONTHS) | 36 |
| Manufacturer Part Number | 320809 |
| Material Type | Plastic |
| Model Number | 320809 |
| Number of Packs | 1 |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | Hand-powered |
| Set Name | Single Item |
| Size | Large |
| Sub Brand | Giggle Zone |
| Supported Battery Types | No batteries required |
| UPC | 810009208099 810009208334 |
| Unit Count | 1 Count |

## Images

![Sunny Days Entertainment Nucleus Expandable Ball - Breathing Toy - Ages 3+ | 5.5-10 in Diameter, Plastic Construction, Rainbow Geometric Design, Concentration And Dexterity, Manual Hand Powered - Image 1](https://m.media-amazon.com/images/I/81HkeMH5hhL.jpg)
![Sunny Days Entertainment Nucleus Expandable Ball - Breathing Toy - Ages 3+ | 5.5-10 in Diameter, Plastic Construction, Rainbow Geometric Design, Concentration And Dexterity, Manual Hand Powered - Image 2](https://m.media-amazon.com/images/I/71hLu10Ud2L.jpg)
![Sunny Days Entertainment Nucleus Expandable Ball - Breathing Toy - Ages 3+ | 5.5-10 in Diameter, Plastic Construction, Rainbow Geometric Design, Concentration And Dexterity, Manual Hand Powered - Image 3](https://m.media-amazon.com/images/I/81GGhZvpMIL.jpg)
![Sunny Days Entertainment Nucleus Expandable Ball - Breathing Toy - Ages 3+ | 5.5-10 in Diameter, Plastic Construction, Rainbow Geometric Design, Concentration And Dexterity, Manual Hand Powered - Image 4](https://m.media-amazon.com/images/I/912JLg3SDrL.jpg)

## Frequently Bought Together

- Sunny Days Entertainment Expandable Ball – Breathing Toy Sphere for Kids & Adults – Expands from 6.5’’ to 13"
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-14*