Coffee Calculus Keyring – A Fun Maths Teacher Gift

A fun and thoughtful gift for any maths teacher who loves a good coffee!
This unique keyring features a creative “Coffee Calculus” design — showing the journey from coffee beans (f(x)) to ground coffee (f′(x)) to a perfect cappuccino (f″(x)).

Ideal as an end-of-year thank you or a small token of appreciation for a teacher who’s gone the extra mile.

✔ Perfect end-of-year teacher gift
✔ Great for students on a budget
✔ Ideal for exam thank-yous & extra help
✔ Comes ready to gift with backing card
✔ Designed in Ireland 🇮🇪