Ebullition (boiling) science pun, e-bull-ition, with a kawaii cute bull in a flask of boiling red liquid!
Where to buy online
Direct from us here in the UK - see products featuring this design.
You can find the design on t-shirts in most stores, but also on other products depending on the store (e.g. hoodies, mugs, stickers, notebooks, phone cases, greeting cards, cushions, socks etc).