There are retailers, cafes and coffee bars all over the U.K., Ireland and the Channel Islands serving Marimba Hot Chocolate Melts. Browse the full list or simply head straight for:
32 Abbeville Road, London, SW4 9NG
https://nueground.co.uk/
Nue Ground Abbeville serves Marimba Hot Chocolate Melts, made with flakes of real chocolate:
Punchy dark from Ecuador cocoa beans.