How to get Diamond Fountain?

I've reached level 16 and my foals have grown to horses but no horse truck!

Does the horse truck come after a certain level?

How do you sell horse on top farm the game

In order to sell horses the truck must be at your farm. The truck parks in the same place as your taxi, so fill your taxi orders and every so often a horse truck will come back instead of the taxi.

How do you sell adult horses

Not much else to do now till island opens. I have ideas guys if u need help ;)
Seriously though I do. ......

What produces the different colour waste bags?? Blue = ? , Green = ? , Brown = ? etc??? What do you have to do to produce the different colours?

This game says I'm not connected but I am please help