The last spring 🌺 chests are here! Ready to redecorate your city with awesome new buildings? 🏛 The main reward is Cologne Central Mosque! It will bring you daffodils 🌼a ll May and pearls 🐚 after the season change!

Requirements: level 15+

In this event, you can open chests and receive guaranteed prizes from each of them.
There are 45 chests in total and rewards drop on a random basis.

The main reward is Cologne Central Mosque (4200 coins, 1-3 energy, 1-3 daffodils/pearls every 24 hours; size 6×9, can be placed anywhere).

Each chest can be opened with 9 Spring keys.

 
There are 3 ways to get the Keys:

1. Completing quests
Key quests will appear one after the other in the menu on the left side.

Old Design School I
Collect 19 Peacock feathers (Stationery Shop, Upgraded Stationery Shop)
Collect 5 Planetary models (School, Valley School)
Collect 13 Squibs (Recreational Cottage, Upgraded Recreational Cottage)

Old Design School II
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)

Old Design School III
Collect 5 Radars (Electronics Plant – any product; Upgraded Electronics Plant – Mouse, Smart Watch, Headphones)
Collect 34 Ropes (Textile Factory – any product, Upgraded Textile Factory – Wool, Felt, Cashmere)
Collect 7 Joysticks (Ask friends)

2. Collect profits from certain buildings:

Central Station: 1 key every 24 hours
Museum of Paleontology: 1 key every 8 hours
Ateneum: 2-3 keys every 24 hours
San Carlo alle Quattro Fontane: 2-3 keys every 24 hours

3. Purchasing keys from a special offer

Unique offer:
Nobel Prize Museum: 4000 coins, 1-4 energy, 1-4 daffodils/pearls, 2-3 Spring Keys during the promotion every 24 hours; size 8×6, can be placed anywhere.

Ateneum: 4000 coins, 1-4 energy, 1-4 daffodils, 2-3 Spring Keys during the promotion every 24 hours

San Carlo alle Quattro Fontane: 4000 coins, 1-4 energy, 1-4 daffodils, 2-3 Spring Keys during the promotion every 24 hours

Bruges City Hall: 4100 coins, 1-4 energy every 24 hours

Royal Liver Building: 4100 coins, 1-4 energy every 24 hours

Sammezzano: 4300 coins, 2-3 energy, 2-3 daffodils every 23 hours