A winter version of my petri dish biology! This one has a Christmas tree style tree growing in it, and a touch of snow. A petri dish of soil and grass with a kawaii cute happy tree growing in it, and a label on the side of the dish saying 'pe-tree dish'.
Where to buy online
RedBubble (US)
Threadless (US)
NeatoShop (US)
TeePublic (US)
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).