To find this cache you need to take the following steps:
1 - Complete the My Memories of South Merstham Aventure Lab
2 - After visiting each location carefully note the item that you put in your shopping basket (you can use the handy shopping list provided below):
3 - When you have all five items in your shopping basket put them in certitude (in the order you received them)
4 - If you haven't forgotten anything you will receive the final coordinates and hint. If you do not get the final coordinates and hint check your shopping basket and try again
5 - When you have the final coordinates put them in the checker provided at the end of this cache page (the coordinates will be updated accordingly)
6 - Go to the final coordinates and search for the cache
