Modular Water Jug

I have been quite interested in making a modular watering jug, so I decided to make this little thing. By default, it is quite small. It only holds a few cups of water. The design is still in flux, since there are a few things that still need testing, and modifying. I am not 100% sure whether the connector is leak proof.
I accidentally broke off part of the connector, so it currently leaks. I will update this as I do more testing. It just may have been compromised in my excitement.
Also, I sho