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🎨 Sip Warmth, Reveal Art – Your Coffee’s Happiest Little Secret!
This 340g glazed ceramic mug from The Unemployed Philosophers Guild features a heat-sensitive design that reveals a beautiful Bob Ross landscape when filled with hot beverages. Crafted for adults and ideal as a unique gift, it combines functional insulation with artistic flair. Hand wash only to preserve the color-changing magic.

















| ASIN | B071G3LL38 |
| Age Range Description | Adult |
| Best Sellers Rank | 523,940 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 8,741 in Coffee Cups |
| Brand Name | The Unemployed Philosophers Guild |
| Capacity | 340 g |
| Colour | Bob Ross |
| Country Of Origin | China |
| Customer Package Type | FFP |
| Customer Reviews | 4.3 4.3 out of 5 stars (7,487) |
| Finish Type | standard or NA |
| Global Trade Identification Number | 00814229008705 |
| Included Components | Coffee Mug |
| Is the item dishwasher safe? | No |
| Is the item microwaveable? | Yes |
| Item Dimensions W x H | 9.5W x 8.9H centimetres |
| Item Shape | Round |
| Item Type Name | Coffee Mug |
| Item Weight | 390 Grams |
| Manufacture Year | 2018 |
| Manufacturer | UPG |
| Manufacturer Part Number | 4961 |
| Manufacturer Warranty Description | No warranty. |
| Material Features | Insulated |
| Material Type | Ceramic |
| Material Type Free | Plastic Free, Rubber Free |
| Model Number | 4961 |
| Number of Items | 1 |
| Occasion | Birthday |
| Other Special Features of the Product | Colour Changing |
| Pattern | Abstract or cartoon |
| Product Care Instructions | Hand Wash Only |
| Product Style | Coffee cup |
| Recommended Uses For Product | Gift |
| Reusability | Reusable |
| Size | 1 Count (Pack of 1) |
| Specific Uses For Product | Hot Drinks |
| Theme | Bob Ross |
| UPC | 814229008705 |
| Unit Count | 1.0 count |
M**T
Happy little mug, DON’T LEAVE TO SOAK
Got this for my brother in law who loves a mug as Christmas! We used to watch the joy of painting, so when I saw this mug I had to get it. It was amazing!! Heated up and a wonderful background appeared! My sister who isn’t one for doing the washing, left this mug in the sink to soak the tea which had only just been finished. When the mug was pulled out 3 hrs later..... I know! The mug was destroyed and no longer worked. She replaced it for him/me, this one doesn’t get left to soak
R**A
Brill!
Awesome mug. Made the person I gifted it to laugh
♿**W
Excellent quality love it fantastic !!
Bought as a present and they loved it I love the heat change and how the painting comes into the background when hot. Just a great reminder of being a kid on a Sunday and watching this happy dude painty happy trees and happy squirrels and not making a mistake but a happy accident great gift for the man or woman who has everything and remembes Bob Ross and the joy of painting and all his lovely quirky ways.
A**S
Poor quality considering the price
Nice mug but paint started peeling after a couple of washes.
C**L
Who doesn’t love Bob!
Ordered this for my daughter who absolutely loves Bob Ross. To say she was thrilled is an understatement. It arrived on time, packaged well and was as described. She has taken it to uni with her and says she has the best mug in campus!
M**M
Great mug everyone loves a bit of Bob Ross
Who doesn’t love a bit of Bob Ross? Bought this for teenage daughter at Christmas and it was a big hit. Good quality mug and the black background totally covers the scene I have other colour change mugs that the background still shows through this one doesn’t.
L**U
Absolutely amazing 🤩
Bought as a gift and it was greatly appreciated- love the picture that appears when warm water was added! Would recommend this as it didn’t disappoint.
D**P
Great idea but poor quality
Bought this in Aug 2022 and by the end of September the coating on the mug had started peeling off. Real shame as it’s a good mug and great idea.. just expected it to last longer than one month…
K**A
War ein Geschenk, das der Beschenkte richtig klasse fand. Sicher verpackt und ohne Schäden bei mir angekommen. Die Tasse tut das, was sie verspricht. Der schwarze Teil wird farbig, wenn man ein heißes/warmes Getränk eingießt.
J**T
Loving this happy little mug
R**.
The Unemployed Philosophers Guild Bob Ross Self-Painting Mug, in a fun gift box, is a great gift option. However, it's crucial to avoid putting it in the dishwasher as it's not dishwasher safe—unfortunately, mine was ruined in the wash.
W**W
This is to replace an identical item. It worked great. However, through negligence the prior mug was put in the dishwasher. This resulted in the image melting. My wife, a professional artist, loved it for its quirkiness and the iconic picture. So I purchased this to be its replacement. It is exactly as advertised. OBTW, it is cheap enough that if I need to replace it again, I will.
|**|
Großartige Tasse, hält was sie verspricht und zaubert jeden Bob Ross Fan ein Lächeln ins Gesicht. Klare Kaufempfehlung! Der Verkäufer hat versehentlich zunächst den falschen Artikel geschickt, diesen jedoch anstandslos umgetauscht innerhalb weniger Tage.
Trustpilot
3 weeks ago
3 weeks ago