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£26.60
per specialty mug
Happy Birthday Kworks Mug
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Jumbo
-£6.65
-£5.35
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Happy Birthday Kworks Mug
In physics, Kworks are extremely bouncy balls, that are part of the Standard-model of physics. Kworks also have things to do with chemistry too, Kworks are made of volcanised rubber. raw natural rubber polymers are heated with a chemical called cyclo-octosulfate(S8). the rubber reacts with the octosulfate to form carbon-sulphur covalent bridges(C-Sx-C, where a sulphur chain is bonded to 2 carbons) which creates springy molecules that allow the kworks to be bouncy. the kworks' invention & "birthday" is on the 30th of july & is physics day because of that. happy birthday, kworks!
Customer Reviews
4.8 out of 5 stars rating1.2K Total Reviews
1,231 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy C.9 January 2022 • Verified Purchase
Jumbo Mug
Zazzle Reviewer Program
It arrived defective - and support bent over backwards to help. The replacement was perfect. Shockingly pleasant interaction, all told. The picture and text both look great.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Gill H.28 June 2019 • Verified Purchase
Jumbo Mug
Zazzle Reviewer Program
I love the size of this mug - it also lets me show off my love of Tessa Dare’s wok. Beautifully finished and clear
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Chris G.23 March 2018 • Verified Purchase
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Creator Review
Much better than expected, the print is clear and not murky at all as I found with redbubble mug prints. Its a big mug! I like! Very impressed! It's a single colour but the detail of the logo and shield came out rather well.
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Product ID: 256975008206017037
Created on 29/07/2026, 7:07
Rating: G
