Where can I buy mentos from? (UK)?

Question

Now, I am going to do a experiment Diet coke Mentos but I need to buy Mentos first. Don't tell me they sell it in Wal-Mart because thats not in the UK or Ebay. Do they sell it in Sainsbury, Tesco, Costcutter or anything? Don't say convinience store, I need the name. I've tried it with Polo but it doesn't work. Can people help me here?

Answer 1

Just go to any corner shop, they should sell them.

Answer 2

Every small store that sells candy and stuff.

Also, people did that like 4 years ago T_T.