---
product_id: 253926564
title: "Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces"
brand: "morphing mugs"
price: "$64.51"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/253926564-harry-potter-i-solemnly-swear-i-am-up-to-no
store_origin: US
region: United States of America
---

# Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces

**Brand:** morphing mugs
**Price:** $64.51
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces by morphing mugs
- **How much does it cost?** $64.51 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/253926564-harry-potter-i-solemnly-swear-i-am-up-to-no)

## Best For

- morphing mugs enthusiasts

## Why This Product

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

## Description

Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces

## Features

- COLOR CHANGING - Pour hot liquid into mug and image is revealed
- PERFECT SIZE - 11 oz Ceramic Mug
- GREAT FOR GIFTING - Officially Licensed, Designed and Printed in the USA
- THE REAL DEAL - Authentic Morphing mugs Heat-Sensitive Mug by Trend Setters Ltd
- &9989; PLEASE NOTE - For long-lasting results, handwash only and do not microwave.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Morphing Mugs |
| Model Number | 43219-87275 |
| Color | Mischief Managed |
| Package Dimensions | 11.18 x 11.18 x 11.18 cm; 117.93 g |
| Capacity | 11 Fluid Ounces |
| Material | Ceramic |
| Special Features | Colour Changing |
| Item Weight | 118 g |

## Product Details

- **Brand:** Morphing Mugs
- **Material:** Ceramic
- **Colour:** Mischief Managed
- **Capacity:** 11 Fluid Ounces
- **Special features:** Colour Changing

## Images

![Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces - Image 1](https://m.media-amazon.com/images/I/710-8en7QYL.jpg)
![Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces - Image 2](https://m.media-amazon.com/images/I/91fVL9XMz1L.jpg)
![Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces - Image 3](https://m.media-amazon.com/images/I/41DDIzPM94L.jpg)
![Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces - Image 4](https://m.media-amazon.com/images/I/41uFwltsU5L.jpg)
![Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed - Morphing Mugs Heat Reveal Color Changing Morphing Mug - 11 Ounces - Image 5](https://m.media-amazon.com/images/I/31WRTUi4oWL.jpg)

## Questions & Answers

**Q: Are there 2 mugs in set?**
A: Listing is for 1x Morphing Mugs(R) brand Harry Potter mug. Main product image shows mug in both states and left and right of mug when hot.

**Q: Is this microwave safe?**
A: We have put the mug in the microwave and it’s been okay. That said, it’s only been for 20-30 seconds each time.

## Frequently Bought Together

- Morphing Mugs Harry Potter - I Solemnly Swear I Am Up To No Good - Marauders Map - Mischief Managed Heat Reveal Color Changing 11 Ounces
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**Shop now:** [https://www.desertcart.us/products/253926564-harry-potter-i-solemnly-swear-i-am-up-to-no](https://www.desertcart.us/products/253926564-harry-potter-i-solemnly-swear-i-am-up-to-no)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-22*