Lego Friends Horse Vet Trailer Construction Set, cheapest price I have seen, set number 41125. Contains the following:
2 mini-doll figures: Olivia in her riding jacket, jodhpurs and helmet, and Sophie the vet, plus a gray dapple horse.
Features an SUV-style car with space for 2 mini-dolls, and a detachable Horse Vet Trailer.
Horse Vet Trailer features an opening door and windows, bed, table, horse compartment and an accessory storage area in the roof.
I'm unsure of non prime delivery price as I'm a prime user....