You are looking for a 2 x 4 inch camoflaged Lock&Lock container. It is in a pretty trickey spot, but it shouldn't take too long to find. Room for trackables. BYOP
Please rehide adequaitely. If the logbook is full, wet, or missing, please include that information in your hide.
There are a few trinkets, please trade fairly. Also please make sure the container closed fully before rehiding.
Brookline is a beatiful neighborhood with many fun public parks and places to have picnics, including in this park. It was also the childhood home of JFK, whose house is closeby. Neighboring Allston also has fun parks and activities to do there.
Congrats to jorwant for the FTF!