---
product_id: 42848056
title: "unisex-child Square Root of 81: 9th Birthday 9 Years Old T-Shirt 10 Royal Blue"
brand: "birthday math tees"
price: "170 zł"
currency: PLN
in_stock: true
category: "Apparel"
url: https://www.desertcart.pl/products/42848056-unisex-child-square-root-of-81-9th-birthday-9-years
store_origin: PL
region: Poland
---

# unisex-child Square Root of 81: 9th Birthday 9 Years Old T-Shirt 10 Royal Blue

**Brand:** birthday math tees
**Price:** 170 zł
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** unisex-child Square Root of 81: 9th Birthday 9 Years Old T-Shirt 10 Royal Blue by birthday math tees
- **How much does it cost?** 170 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/42848056-unisex-child-square-root-of-81-9th-birthday-9-years)

## Best For

- birthday math tees enthusiasts

## Why This Product

- Trusted birthday math tees brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Features

- 9 yrs 9yrs yr best born in 2008 birthday gift idea for any adult boys girls youth teens women men children son daughter or kid
- b-day bday geek nerd geeky nerdy math mathematic algebra science present graphic chalk board blackboard chalkboard cool crazy funny hilarious humor joke pun novelty
- Lightweight, Classic fit, Double-needle sleeve and bottom hem

## Images

![unisex-child Square Root of 81: 9th Birthday 9 Years Old T-Shirt 10 Royal Blue - Image 1](https://images-na.ssl-images-amazon.com/images/I/41bz4Plra7L.jpg)
![unisex-child Square Root of 81: 9th Birthday 9 Years Old T-Shirt 10 Royal Blue - Image 2](https://images-na.ssl-images-amazon.com/images/I/41VFjITLgKL.jpg)

---

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**Shop now:** [https://www.desertcart.pl/products/42848056-unisex-child-square-root-of-81-9th-birthday-9-years](https://www.desertcart.pl/products/42848056-unisex-child-square-root-of-81-9th-birthday-9-years)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-29*