* New crop: Celery
* New Tree: Persimmon
* New outfit with four different skins
* New hat
* New tractor: Bumper Car
* New antenna: Bumper Car Antenna
* New farm decorations: Merry-Go-Round, Swing Carousel, High Striker, Rocking Unicorn, Fortune-Teller Wagon, Circus Wagon, Swan Boat, Circus Ball and 6-sided Die
* New road: Circus Carpet
* New fence: Velvet Fence (with three different skins)
* New house: Circus Tent
* New house decoration: Card Castle

More details on the official game page of Farm Together - Celery Pack ...