Requirements: The chests will be received by players level 15+

Main reward is the Griffith Observatory (3,300 coins, 1-4 energy, 1-4 glass baubles every 20 hours, size 8×7, can be placed anywhere).

Each chest can be opened for 9 Ice keys.

 
There are 3 ways to get Keys:

1. Complete the quests:

Journey on! I (3 keys)
Collect 19 Peacock Feathers (Stationery Shop, Upgraded Stationery Shop)
Collect 5 Planetary Model (School, Valley School)
Collect 13 Squibs (Recreational Cottage, Upgraded Recreational Cottage)

Journey on! II (3 keys)
Collect 17 Feather dusters (Shoe Shop, Upgraded Shoe Shop)
Collect 11 Coffee beans (Coffee House, Upgraded Coffee House)
Collect 8 Sensors (Water Tower, Upgraded Water Tower)

Journey on! III (4 keys)
Collect 5 Radars (Electronics Plant – all, Upgraded Electronics Plant – Mouse, Smartwatch, Headphones)
Collect 34 Ropes (Textile Factory – all, Upgraded Textile Factory – Wool, Felt, Cashmere)
Ask friends for 7 Joysticks
 
2. Collect profits from the following buildings:

Central Station (1 key every 24 hours);
Romantic Castle (1 key every 18 hours);
Basilica of the Immaculate Conception (2-4 keys every 16 hours);
The Hungarian parliament (2-4 keys every 20 hours);
Belfast Town Hall (1-2 keys every 20 hours);
Pennsylvania Academy of Arts (1-4 keys every 22 hours);
Haydarpașa Station (2-4 keys every 24 hours);
Basilica of the Sacred Heart (2-3 keys every 20 hours).
 
3. Use the sale offer!
 
Special Offer with the Haydarpaşa station

Haydarpașa Station: 4,150 coins, 2-3 energy, 2-3 glass baubles every 24 hours, 2-4 keys during the Griffith Observatory chest event, 150 marathon points one time when buying;

Pennsylvania Academy of Arts: 3,850 coins, 1-3 energy, 2-4 glass baubles every 22 hours, 1-4 keys during the Griffith Observatory chest event, 150 marathon points one time when buying;

Basilica of the Sacred Heart: 3,700 coins, 2-3 energy, 1-4 glass baubles every 20 hours, 2-3 keys during the Griffith Observatory chest event, 150 marathon points one time when buying;

Belfast Town Hall: 4,100 coins, 1-3 energy, 1-3 glass baubles every 20 hours, 1-2 keys during the Griffith Observatory chest event; 75 marathon points one time when buying;

Hungarian Parliament: 4,100 coins, 2-4 energy every 20 hours, 2-4 keys during the Griffith Observatory chest event;

Basilica of the Immaculate Conception: 3,400 coins, 2-4 energy every 16 hours, 2-4 keys during the Griffith Observatory chest event.