There is an unfinished building of the Eastern Station above the Trader's Tent.

 

The quest to build the Eastern Station is called "Modern Take on Adventure." It is available from player level 50.

 

The quest includes 12 stages with a time limit.

 

Stage 1 (24 hours)
Collect 7 horticulturalist books (Bookshop)
Collect 20 watering cans (Ranch, Upgraded Ranch) 
Collect 10 flip-flops (Beach Shop, Upgraded Beach Shop) 

 

Stage 2 (24 hours)
Collect 44 freeze gel tubes (Convenience Store, Upgraded Convenience Store) 

Collect 23 potions (Pub, Upgraded Pub)

Collect 6 eucalyptus leaves (Sushi Bar)

 

Collect 42 pencils (Stationery Shop, Upgraded Stationery Shop)

Collect 9 protractors (Auto Repair Shop)

Collect 11 scribe compasses (Country Cottage, Wooden House)

 

Collect 4 concrete slabs (Cargo Port)

Collect 10 red paintbrushes (Luxury Apartment)

Ask friends for 11 winches

 

Collect 40 night visions (Subway Station, Upgraded Subway Station, Central Station)

Collect 8 sensors (Water Tower, Upgraded Water Tower)

Collect 11 magnifying glasses (Dental Surgery)

 

Collect 19 bottles of “Crystal” water (Gym, Upgraded Gym)

Train 5 builders (College)

Collect 17 thermometers (Shopping Center)

 

Collect 11 magic lanterns (Cinema)

Collect 5 books (School, Valley School)

Ask friends for 17 microscopes

 

Collect 9 dragon fruits (Fruit Market)

Collect 8 baguettes (Upgraded Bakery)

Collect 14 cups of hot chocolate (Samantha’s Cafe)

 

Collect 12 scissors (Upgraded Flower Kiosk)

Collect 6 fire extinguishers (Water Tower, Upgraded Water Tower)

Collect 18 hand mirrors (Cosmetics Boutique)

 

Collect 11 rolls of foil (Christmas Kiosk)

Produce 9 lots of felt (Upgraded Textile Factory)

Ask friends for 14 disco balls

 

Collect 9 masks (Curiosity Shack)

Collect 9 magic 8 balls (Pool Parlour, Upgraded Pool Parlour)

Collect 12 incense (Sushi Bar)

 

Collect 12 guitar amplifiers (Tom and Bob’s House, American House)

Collect 10 jackets (Tailor’s Workshop)

Collect 15 figs (Bay)