Roaring Brook Ricotta Cheese DIY Kit (2)

A single kit of this on Amazon showed up at only 11.95, with free shipping.

https://www.amazon.com/Cheese-Making-Ricotta-Cottage-Flavor/dp/B00UU0GK22?th=1

There, as in the description here, most of the comments reference the Mozarella kit, not this one.