Marlborough park, Or Blakesley park if your local is a small park located near Blakesley Hall museum. This park has rescently had a new excercise play area suitable for kids and adults alike.
This Multi should not take to long for the sharp eyed ones out there.
Take the first with you and return when finished
The starting cache is a tiny nano, If having trouble locating it will reflect a little with the shining of a light, The second a little foraging and the third will require the first 
Gerr gehax, Gerr gehax, Gerr gehax.