Lego Friends sets on Amazon @ best price starting at $3.99 and prime shipping. Some are add-on.

Sets at best price according to CCC include the following. There are others at best price as well, if you search CCC for "Lego Friends":
Puppy Playground 41303 , $3.99 ADD-ON item.
41124 Heartlake Puppy Daycare Building Kit : $17.99 and prime shipping
Puppy Pampering 41302 : $3.99 and prime shipping. (Not add-on)
Stephanie’s Friendship Cakes 41308 : $7.99 and prime shipping
https://www.amazon.com/LEGO-Frien…B01KIORE1A